12692738 has 8 divisors (see below), whose sum is σ = 19054332. Its totient is φ = 6341296.

The previous prime is 12692731. The next prime is 12692753. The reversal of 12692738 is 83729621.

It can be written as a sum of positive squares in 2 ways, for example, as 12439729 + 253009 = 3527^2 + 503^2 .

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

It is a super-2 number, since 2×12692738² = 322211195873288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12692731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 5892.

Almost surely, 2^12692738 is an apocalyptic number.

12692738 is a deficient number, since it is larger than the sum of its proper divisors (6361594).

12692738 is a wasteful number, since it uses less digits than its factorization.

12692738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

The product of its digits is 36288, while the sum is 38.

The square root of 12692738 is about 3562.6869073776. The cubic root of 12692738 is about 233.2661770453.

The spelling of 12692738 in words is "twelve million, six hundred ninety-two thousand, seven hundred thirty-eight".