13807572 has 12 divisors (see below), whose sum is σ = 32217696. Its totient is φ = 4602520.

The previous prime is 13807559. The next prime is 13807589. The reversal of 13807572 is 27570831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575304 + ... + 575327.

It is an arithmetic number, because the mean of its divisors is an integer number (2684808).

Almost surely, 2^13807572 is an apocalyptic number.

13807572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13807572 is an abundant number, since it is smaller than the sum of its proper divisors (18410124).

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

13807572 is a wasteful number, since it uses less digits than its factorization.

13807572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150638 (or 1150636 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 13807572 is about 3715.8541413785. The cubic root of 13807572 is about 239.9048928715.

The spelling of 13807572 in words is "thirteen million, eight hundred seven thousand, five hundred seventy-two".