12557484 has 24 divisors (see below), whose sum is σ = 32556720. Its totient is φ = 4185792.

The previous prime is 12557483. The next prime is 12557491. The reversal of 12557484 is 48475521.

12557484 is a `hidden beast` number, since 1 + 2 + 5 + 574 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12557483) 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, 58029 + ... + 58244.

It is an arithmetic number, because the mean of its divisors is an integer number (1356530).

Almost surely, 2^12557484 is an apocalyptic number.

It is an amenable number.

12557484 is an abundant number, since it is smaller than the sum of its proper divisors (19999236).

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

12557484 is a wasteful number, since it uses less digits than its factorization.

12557484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116286 (or 116278 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 12557484 is about 3543.6540463200. The cubic root of 12557484 is about 232.4346538521.

It can be divided in two parts, 12557 and 484, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12557484 in words is "twelve million, five hundred fifty-seven thousand, four hundred eighty-four".