13013188 has 6 divisors (see below), whose sum is σ = 22773086. Its totient is φ = 6506592.

The previous prime is 13013179. The next prime is 13013197. The reversal of 13013188 is 88131031.

It is an interprime number because it is at equal distance from previous prime (13013179) and next prime (13013197).

It can be written as a sum of positive squares in only one way, i.e., 7851204 + 5161984 = 2802^2 + 2272^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626645 + ... + 1626652.

Almost surely, 2^13013188 is an apocalyptic number.

It is an amenable number.

13013188 is a deficient number, since it is larger than the sum of its proper divisors (9759898).

13013188 is a wasteful number, since it uses less digits than its factorization.

13013188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253301 (or 3253299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 13013188 is about 3607.3796584224. The cubic root of 13013188 is about 235.2129531870.

It can be divided in two parts, 1301 and 3188, that added together give a square (4489 = 67²).

The spelling of 13013188 in words is "thirteen million, thirteen thousand, one hundred eighty-eight".