13232400 has 60 divisors (see below), whose sum is σ = 42391632. Its totient is φ = 3528320.

The previous prime is 13232399. The next prime is 13232437. The reversal of 13232400 is 423231.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13232400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4314 + ... + 6713.

Almost surely, 2^13232400 is an apocalyptic number.

13232400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232400 is an abundant number, since it is smaller than the sum of its proper divisors (29159232).

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

13232400 is a wasteful number, since it uses less digits than its factorization.

13232400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13232400 is about 3637.6365953734. The cubic root of 13232400 is about 236.5263555888.

Adding to 13232400 its reverse (423231), we get a palindrome (13655631).

The spelling of 13232400 in words is "thirteen million, two hundred thirty-two thousand, four hundred".