13201572 has 12 divisors (see below), whose sum is σ = 30803696. Its totient is φ = 4400520.

The previous prime is 13201541. The next prime is 13201577. The reversal of 13201572 is 27510231.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13201577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550054 + ... + 550077.

Almost surely, 2^13201572 is an apocalyptic number.

13201572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13201572 is an abundant number, since it is smaller than the sum of its proper divisors (17602124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13201572 is a wasteful number, since it uses less digits than its factorization.

13201572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100138 (or 1100136 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13201572 is about 3633.3967578562. The cubic root of 13201572 is about 236.3425314310.

The spelling of 13201572 in words is "thirteen million, two hundred one thousand, five hundred seventy-two".