12796138 has 16 divisors (see below), whose sum is σ = 20397960. Its totient is φ = 5999616.

The previous prime is 12796123. The next prime is 12796151. The reversal of 12796138 is 83169721.

It can be written as a sum of positive squares in 4 ways, for example, as 11512449 + 1283689 = 3393^2 + 1133^2 .

It is a super-2 number, since 2×12796138² = 327482295430088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12796097 and 12796106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12178 + ... + 13186.

Almost surely, 2^12796138 is an apocalyptic number.

12796138 is a deficient number, since it is larger than the sum of its proper divisors (7601822).

12796138 is a wasteful number, since it uses less digits than its factorization.

12796138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its digits is 18144, while the sum is 37.

The square root of 12796138 is about 3577.1689923737. The cubic root of 12796138 is about 233.8978905312.

The spelling of 12796138 in words is "twelve million, seven hundred ninety-six thousand, one hundred thirty-eight".