12504280 has 32 divisors (see below), whose sum is σ = 29617200. Its totient is φ = 4738176.

The previous prime is 12504269. The next prime is 12504281. The reversal of 12504280 is 8240521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7467 + ... + 8986.

Almost surely, 2^12504280 is an apocalyptic number.

12504280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12504280 is an abundant number, since it is smaller than the sum of its proper divisors (17112920).

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

12504280 is a wasteful number, since it uses less digits than its factorization.

12504280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483 (or 16479 counting only the distinct ones).

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

The square root of 12504280 is about 3536.1391375340. The cubic root of 12504280 is about 232.1059266583.

The spelling of 12504280 in words is "twelve million, five hundred four thousand, two hundred eighty".