13089924 has 63 divisors (see below), whose sum is σ = 34865607. Its totient is φ = 4298184.

The previous prime is 13089911. The next prime is 13089941. The reversal of 13089924 is 42998031.

The square root of 13089924 is 3618.

It is a perfect power (a square), and thus also a powerful number.

13089924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13089924² = 342692220651552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 195339 + ... + 195405.

Almost surely, 2^13089924 is an apocalyptic number.

13089924 is the 3618-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13089924

13089924 is an abundant number, since it is smaller than the sum of its proper divisors (21775683).

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

13089924 is an frugal number, since it uses more digits than its factorization.

13089924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The cubic root of 13089924 is about 235.6743809662.

Multiplying 13089924 by its sum of digits (36), we get a square (471237264 = 21708²).

13089924 divided by its sum of digits (36) gives a square (363609 = 603²).

The spelling of 13089924 in words is "thirteen million, eighty-nine thousand, nine hundred twenty-four".