12557030 has 16 divisors (see below), whose sum is σ = 22656240. Its totient is φ = 5010912.

The previous prime is 12557021. The next prime is 12557053. The reversal of 12557030 is 3075521.

It is a junction number, because it is equal to n+sod(n) for n = 12556987 and 12557005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (1416015).

Almost surely, 2^12557030 is an apocalyptic number.

12557030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12557030 is a deficient number, since it is larger than the sum of its proper divisors (10099210).

12557030 is a wasteful number, since it uses less digits than its factorization.

12557030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 12557030 is about 3543.5899875691. The cubic root of 12557030 is about 232.4318526910.

The spelling of 12557030 in words is "twelve million, five hundred fifty-seven thousand, thirty".