12525400 has 24 divisors (see below), whose sum is σ = 29122020. Its totient is φ = 5010080.

The previous prime is 12525367. The next prime is 12525421. The reversal of 12525400 is 452521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31114 + ... + 31513.

Almost surely, 2^12525400 is an apocalyptic number.

12525400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525400 is an abundant number, since it is smaller than the sum of its proper divisors (16596620).

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

12525400 is a wasteful number, since it uses less digits than its factorization.

12525400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62643 (or 62634 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 12525400 is about 3539.1241854448. The cubic root of 12525400 is about 232.2365304690.

Adding to 12525400 its reverse (452521), we get a palindrome (12977921).

The spelling of 12525400 in words is "twelve million, five hundred twenty-five thousand, four hundred".