12696772 has 36 divisors (see below), whose sum is σ = 25118380. Its totient is φ = 5607360.

The previous prime is 12696709. The next prime is 12696781. The reversal of 12696772 is 27769621.

It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 6071296 = 2574^2 + 2464^2 .

It is a super-2 number, since 2×12696772² = 322416038439968, 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 11 ways as a sum of consecutive naturals, for example, 17554 + ... + 18262.

Almost surely, 2^12696772 is an apocalyptic number.

It is an amenable number.

12696772 is a deficient number, since it is larger than the sum of its proper divisors (12421608).

12696772 is a wasteful number, since it uses less digits than its factorization.

12696772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 759 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 12696772 is about 3563.2530081374. The cubic root of 12696772 is about 233.2908866099.

The spelling of 12696772 in words is "twelve million, six hundred ninety-six thousand, seven hundred seventy-two".