12690970 has 16 divisors (see below), whose sum is σ = 22884768. Its totient is φ = 5067280.

The previous prime is 12690961. The next prime is 12690971. The reversal of 12690970 is 7909621.

It is a super-2 number, since 2×12690970² = 322121439081800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12690971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9057 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (1430298).

Almost surely, 2^12690970 is an apocalyptic number.

12690970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12690970 is a deficient number, since it is larger than the sum of its proper divisors (10193798).

12690970 is a wasteful number, since it uses less digits than its factorization.

12690970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285.

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

The square root of 12690970 is about 3562.4387714037. The cubic root of 12690970 is about 233.2553458191.

The spelling of 12690970 in words is "twelve million, six hundred ninety thousand, nine hundred seventy".