13065172 has 6 divisors (see below), whose sum is σ = 22864058. Its totient is φ = 6532584.

The previous prime is 13065149. The next prime is 13065187. The reversal of 13065172 is 27156031.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 133956 = 3596^2 + 366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633143 + ... + 1633150.

Almost surely, 2^13065172 is an apocalyptic number.

It is an amenable number.

13065172 is a deficient number, since it is larger than the sum of its proper divisors (9798886).

13065172 is a wasteful number, since it uses less digits than its factorization.

13065172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266297 (or 3266295 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13065172 is about 3614.5777070081. The cubic root of 13065172 is about 235.5257400985.

The spelling of 13065172 in words is "thirteen million, sixty-five thousand, one hundred seventy-two".