13089400 has 24 divisors (see below), whose sum is σ = 30433320. Its totient is φ = 5235680.

The previous prime is 13089397. The next prime is 13089403. The reversal of 13089400 is 498031.

It is an interprime number because it is at equal distance from previous prime (13089397) and next prime (13089403).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13089403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32524 + ... + 32923.

It is an arithmetic number, because the mean of its divisors is an integer number (1268055).

Almost surely, 2^13089400 is an apocalyptic number.

13089400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13089400 is an abundant number, since it is smaller than the sum of its proper divisors (17343920).

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

13089400 is a wasteful number, since it uses less digits than its factorization.

13089400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65463 (or 65454 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13089400 is about 3617.9275835760. The cubic root of 13089400 is about 235.6712361803.

The spelling of 13089400 in words is "thirteen million, eighty-nine thousand, four hundred".