12923138 has 8 divisors (see below), whose sum is σ = 19908732. Its totient is φ = 6286896.

The previous prime is 12923123. The next prime is 12923153. The reversal of 12923138 is 83132921.

It is an interprime number because it is at equal distance from previous prime (12923123) and next prime (12923153).

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 1787569 = 3337^2 + 1337^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12923138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87245 + ... + 87392.

Almost surely, 2^12923138 is an apocalyptic number.

12923138 is a deficient number, since it is larger than the sum of its proper divisors (6985594).

12923138 is a wasteful number, since it uses less digits than its factorization.

12923138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174676.

The product of its digits is 2592, while the sum is 29.

The square root of 12923138 is about 3594.8766320974. The cubic root of 12923138 is about 234.6691466070.

The spelling of 12923138 in words is "twelve million, nine hundred twenty-three thousand, one hundred thirty-eight".