12557050 has 72 divisors (see below), whose sum is σ = 27408960. Its totient is φ = 4243200.

The previous prime is 12557021. The next prime is 12557053. The reversal of 12557050 is 5075521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12557053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 158911 + ... + 158989.

It is an arithmetic number, because the mean of its divisors is an integer number (380680).

Almost surely, 2^12557050 is an apocalyptic number.

12557050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12557050 is an abundant number, since it is smaller than the sum of its proper divisors (14851910).

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

12557050 is a wasteful number, since it uses less digits than its factorization.

12557050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 12557050 is about 3543.5928095649. The cubic root of 12557050 is about 232.4319760916.

It can be divided in two parts, 125 and 57050, that added together give a palindrome (57175).

The spelling of 12557050 in words is "twelve million, five hundred fifty-seven thousand, fifty".