12403970 has 16 divisors (see below), whose sum is σ = 22370040. Its totient is φ = 4952064.

The previous prime is 12403957. The next prime is 12403973. The reversal of 12403970 is 7930421.

It can be written as a sum of positive squares in 4 ways, for example, as 10004569 + 2399401 = 3163^2 + 1549^2 .

It is not an unprimeable number, because it can be changed into a prime (12403973) 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, 6884 + ... + 8496.

Almost surely, 2^12403970 is an apocalyptic number.

12403970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12403970 is a deficient number, since it is larger than the sum of its proper divisors (9966070).

12403970 is a wasteful number, since it uses less digits than its factorization.

12403970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12403970 is about 3521.9270293406. The cubic root of 12403970 is about 231.4836042109.

The spelling of 12403970 in words is "twelve million, four hundred three thousand, nine hundred seventy".