12923170 has 16 divisors (see below), whose sum is σ = 25051320. Its totient is φ = 4771584.

The previous prime is 12923153. The next prime is 12923189. The reversal of 12923170 is 7132921.

It can be written as a sum of positive squares in 4 ways, for example, as 9054081 + 3869089 = 3009^2 + 1967^2 .

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, 49575 + ... + 49834.

Almost surely, 2^12923170 is an apocalyptic number.

12923170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12923170 is a deficient number, since it is larger than the sum of its proper divisors (12128150).

12923170 is a wasteful number, since it uses less digits than its factorization.

12923170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99429.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12923170 is about 3594.8810828733. The cubic root of 12923170 is about 234.6693403011.

The spelling of 12923170 in words is "twelve million, nine hundred twenty-three thousand, one hundred seventy".