12542800 has 30 divisors (see below), whose sum is σ = 30135038. Its totient is φ = 5016960.

The previous prime is 12542791. The next prime is 12542801. The reversal of 12542800 is 824521.

It can be written as a sum of positive squares in 3 ways, for example, as 1731856 + 10810944 = 1316^2 + 3288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15279 + ... + 16078.

Almost surely, 2^12542800 is an apocalyptic number.

12542800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12542800 is an abundant number, since it is smaller than the sum of its proper divisors (17592238).

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

12542800 is a wasteful number, since it uses less digits than its factorization.

12542800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31375 (or 31364 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12542800 is about 3541.5815676051. The cubic root of 12542800 is about 232.3440199408.

The spelling of 12542800 in words is "twelve million, five hundred forty-two thousand, eight hundred".