12557082 has 8 divisors (see below), whose sum is σ = 25114176. Its totient is φ = 4185692.

The previous prime is 12557071. The next prime is 12557089. The reversal of 12557082 is 28075521.

It is a sphenic number, since it is the product of 3 distinct primes.

12557082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12557089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046418 + ... + 1046429.

It is an arithmetic number, because the mean of its divisors is an integer number (3139272).

Almost surely, 2^12557082 is an apocalyptic number.

12557082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12557082 is a wasteful number, since it uses less digits than its factorization.

12557082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092852.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12557082 is about 3543.5973247535. The cubic root of 12557082 is about 232.4321735323.

The spelling of 12557082 in words is "twelve million, five hundred fifty-seven thousand, eighty-two".