12490970 has 16 divisors (see below), whose sum is σ = 22853448. Its totient is φ = 4914240.

The previous prime is 12490969. The next prime is 12490979. The reversal of 12490970 is 7909421.

It can be written as a sum of positive squares in 4 ways, for example, as 8357881 + 4133089 = 2891^2 + 2033^2 .

It is not an unprimeable number, because it can be changed into a prime (12490979) 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, 9629 + ... + 10848.

Almost surely, 2^12490970 is an apocalyptic number.

12490970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12490970 is a deficient number, since it is larger than the sum of its proper divisors (10362478).

12490970 is a wasteful number, since it uses less digits than its factorization.

12490970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20545.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12490970 is about 3534.2566403701. The cubic root of 12490970 is about 232.0235434886.

The spelling of 12490970 in words is "twelve million, four hundred ninety thousand, nine hundred seventy".