12631970 has 16 divisors (see below), whose sum is σ = 24486840. Its totient is φ = 4664064.

The previous prime is 12631963. The next prime is 12631987. The reversal of 12631970 is 7913621.

12631970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7123561 + 5508409 = 2669^2 + 2347^2 .

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, 48455 + ... + 48714.

Almost surely, 2^12631970 is an apocalyptic number.

12631970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12631970 is a deficient number, since it is larger than the sum of its proper divisors (11854870).

12631970 is a wasteful number, since it uses less digits than its factorization.

12631970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97189.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12631970 is about 3554.1482805308. The cubic root of 12631970 is about 232.8933181423.

The spelling of 12631970 in words is "twelve million, six hundred thirty-one thousand, nine hundred seventy".