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12674980 = 2251973217
BaseRepresentation
bin110000010110…
…011110100100
3212211221210201
4300112132210
511221044410
61131400244
7212510203
oct60263644
925757721
1012674980
11717799a
1242b3084
13281a2b6
14197d23a
1511a583a
hexc167a4

12674980 has 24 divisors (see below), whose sum is σ = 26760888. Its totient is φ = 5042688.

The previous prime is 12674971. The next prime is 12674989. The reversal of 12674980 is 8947621.

It is an interprime number because it is at equal distance from previous prime (12674971) and next prime (12674989).

It can be written as a sum of positive squares in 4 ways, for example, as 7485696 + 5189284 = 2736^2 + 2278^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12674989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (1115037).

Almost surely, 212674980 is an apocalyptic number.

12674980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12674980 is an abundant number, since it is smaller than the sum of its proper divisors (14085908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12674980 is a wasteful number, since it uses less digits than its factorization.

12674980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12674980 is about 3560.1938149488. The cubic root of 12674980 is about 233.1573412139.

The spelling of 12674980 in words is "twelve million, six hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3217 3940 6434 12868 16085 32170 64340 633749 1267498 2534996 3168745 6337490 12674980