12892138 has 16 divisors (see below), whose sum is σ = 22199040. Its totient is φ = 5500656.

The previous prime is 12892129. The next prime is 12892181. The reversal of 12892138 is 83129821.

It is a super-3 number, since 3×12892138³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1420 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (1387440).

Almost surely, 2^12892138 is an apocalyptic number.

12892138 is a deficient number, since it is larger than the sum of its proper divisors (9306902).

12892138 is a wasteful number, since it uses less digits than its factorization.

12892138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its digits is 6912, while the sum is 34.

The square root of 12892138 is about 3590.5623514987. The cubic root of 12892138 is about 234.4813550611.

The spelling of 12892138 in words is "twelve million, eight hundred ninety-two thousand, one hundred thirty-eight".