13012400 has 30 divisors (see below), whose sum is σ = 31263252. Its totient is φ = 5204800.

The previous prime is 13012393. The next prime is 13012403. The reversal of 13012400 is 421031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13012403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15866 + ... + 16665.

Almost surely, 2^13012400 is an apocalyptic number.

13012400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012400 is an abundant number, since it is smaller than the sum of its proper divisors (18250852).

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

13012400 is a wasteful number, since it uses less digits than its factorization.

13012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32549 (or 32538 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13012400 is about 3607.2704362163. The cubic root of 13012400 is about 235.2082053996.

Adding to 13012400 its reverse (421031), we get a palindrome (13433431).

The spelling of 13012400 in words is "thirteen million, twelve thousand, four hundred".