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12679090 = 252943721
BaseRepresentation
bin110000010111…
…011110110010
3212212011102221
4300113132302
511221212330
61131431254
7212525164
oct60273662
925764387
1012679090
11717aa96
1242b552a
13281c128
141980934
1511a6b7a
hexc177b2

12679090 has 16 divisors (see below), whose sum is σ = 23609880. Its totient is φ = 4896640.

The previous prime is 12679087. The next prime is 12679129. The reversal of 12679090 is 9097621.

It can be written as a sum of positive squares in 4 ways, for example, as 11148921 + 1530169 = 3339^2 + 1237^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21571 + ... + 22150.

Almost surely, 212679090 is an apocalyptic number.

12679090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12679090 is a deficient number, since it is larger than the sum of its proper divisors (10930790).

12679090 is a wasteful number, since it uses less digits than its factorization.

12679090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43757.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12679090 is about 3560.7709839303. The cubic root of 12679090 is about 233.1825397576.

The spelling of 12679090 in words is "twelve million, six hundred seventy-nine thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 43721 87442 218605 437210 1267909 2535818 6339545 12679090