12609970 has 32 divisors (see below), whose sum is σ = 23565168. Its totient is φ = 4854528.

The previous prime is 12609953. The next prime is 12609979. The reversal of 12609970 is 7990621.

It can be written as a sum of positive squares in 8 ways, for example, as 12552849 + 57121 = 3543^2 + 239^2 .

It is a super-2 number, since 2×12609970² = 318022686801800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12609979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63912 + ... + 64108.

Almost surely, 2^12609970 is an apocalyptic number.

12609970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12609970 is a deficient number, since it is larger than the sum of its proper divisors (10955198).

12609970 is a wasteful number, since it uses less digits than its factorization.

12609970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 12609970 is about 3551.0519568151. The cubic root of 12609970 is about 232.7580362516.

The spelling of 12609970 in words is "twelve million, six hundred nine thousand, nine hundred seventy".