12696738 has 8 divisors (see below), whose sum is σ = 25393488. Its totient is φ = 4232244.

The previous prime is 12696709. The next prime is 12696781. The reversal of 12696738 is 83769621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12696738 is an admirable number.

It is a super-2 number, since 2×12696738² = 322414311681288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12696738.

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 3 ways as a sum of consecutive naturals, for example, 1058056 + ... + 1058067.

It is an arithmetic number, because the mean of its divisors is an integer number (3174186).

Almost surely, 2^12696738 is an apocalyptic number.

12696738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12696738 is a wasteful number, since it uses less digits than its factorization.

12696738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116128.

The product of its digits is 108864, while the sum is 42.

The square root of 12696738 is about 3563.2482372128. The cubic root of 12696738 is about 233.2906783707.

The spelling of 12696738 in words is "twelve million, six hundred ninety-six thousand, seven hundred thirty-eight".