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12764980 = 2254314843
BaseRepresentation
bin110000101100…
…011100110100
3220000112021001
4300230130310
511231434410
61133333044
7213333454
oct60543464
926015231
1012764980
117229578
124337184
13284c257
1419a3d64
1511c233a
hexc2c734

12764980 has 24 divisors (see below), whose sum is σ = 27431712. Its totient is φ = 4986912.

The previous prime is 12764957. The next prime is 12765029. The reversal of 12764980 is 8946721.

It is a congruent number.

It is an unprimeable number.

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, 6562 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (1142988).

Almost surely, 212764980 is an apocalyptic number.

12764980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12764980 is an abundant number, since it is smaller than the sum of its proper divisors (14666732).

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

12764980 is a wasteful number, since it uses less digits than its factorization.

12764980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895 (or 14893 counting only the distinct ones).

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

The square root of 12764980 is about 3572.8112180746. The cubic root of 12764980 is about 233.7078927461.

The spelling of 12764980 in words is "twelve million, seven hundred sixty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 14843 29686 59372 74215 148430 296860 638249 1276498 2552996 3191245 6382490 12764980