13250570 has 16 divisors (see below), whose sum is σ = 24013800. Its totient is φ = 5264064.

The previous prime is 13250563. The next prime is 13250621. The reversal of 13250570 is 7505231.

It can be written as a sum of positive squares in 4 ways, for example, as 5303809 + 7946761 = 2303^2 + 2819^2 .

It is a Curzon number.

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, 2957 + ... + 5936.

Almost surely, 2^13250570 is an apocalyptic number.

13250570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13250570 is a deficient number, since it is larger than the sum of its proper divisors (10763230).

13250570 is a wasteful number, since it uses less digits than its factorization.

13250570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 13250570 is about 3640.1332393197. The cubic root of 13250570 is about 236.6345677113.

The spelling of 13250570 in words is "thirteen million, two hundred fifty thousand, five hundred seventy".