12557214 has 32 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 3965112.

The previous prime is 12557213. The next prime is 12557227. The reversal of 12557214 is 41275521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557213) 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 15 ways as a sum of consecutive naturals, for example, 5094 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^12557214 is an apocalyptic number.

12557214 is an abundant number, since it is smaller than the sum of its proper divisors (16818786).

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

12557214 is a wasteful number, since it uses less digits than its factorization.

12557214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269 (or 12263 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12557214 is about 3543.6159498456. The cubic root of 12557214 is about 232.4329879715.

The spelling of 12557214 in words is "twelve million, five hundred fifty-seven thousand, two hundred fourteen".