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12940676 = 2273712491
BaseRepresentation
bin110001010111…
…010110000100
3220100110021022
4301113112010
511303100201
61141210312
7214664630
oct61272604
926313238
1012940676
117339581
124400998
1328b1208
141a0bdc0
15120941b
hexc57584

12940676 has 24 divisors (see below), whose sum is σ = 26582976. Its totient is φ = 5395680.

The previous prime is 12940661. The next prime is 12940703. The reversal of 12940676 is 67604921.

It is a super-2 number, since 2×129406762 = 334922190673952, which contains 22 as substring.

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, 5210 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (1107624).

Almost surely, 212940676 is an apocalyptic number.

It is an amenable number.

12940676 is an abundant number, since it is smaller than the sum of its proper divisors (13642300).

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

12940676 is a wasteful number, since it uses less digits than its factorization.

12940676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12539 (or 12537 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12940676 is about 3597.3151099118. The cubic root of 12940676 is about 234.7752551781.

The spelling of 12940676 in words is "twelve million, nine hundred forty thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 12491 24982 49964 87437 174874 349748 462167 924334 1848668 3235169 6470338 12940676