12431670 has 16 divisors (see below), whose sum is σ = 29836080. Its totient is φ = 3315104.

The previous prime is 12431663. The next prime is 12431689. The reversal of 12431670 is 7613421.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12431670.

It is a congruent number.

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, 207165 + ... + 207224.

It is an arithmetic number, because the mean of its divisors is an integer number (1864755).

Almost surely, 2^12431670 is an apocalyptic number.

12431670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12431670 is an abundant number, since it is smaller than the sum of its proper divisors (17404410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431670 is a wasteful number, since it uses less digits than its factorization.

12431670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414399.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12431670 is about 3525.8573425481. The cubic root of 12431670 is about 231.6557891022.

The spelling of 12431670 in words is "twelve million, four hundred thirty-one thousand, six hundred seventy".