12457055 has 16 divisors (see below), whose sum is σ = 16299360. Its totient is φ = 9084288.

The previous prime is 12457051. The next prime is 12457061. The reversal of 12457055 is 55075421.

It is a cyclic number.

It is not a de Polignac number, because 12457055 - 2² = 12457051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12457051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710).

Almost surely, 2^12457055 is an apocalyptic number.

12457055 is a deficient number, since it is larger than the sum of its proper divisors (3842305).

12457055 is a wasteful number, since it uses less digits than its factorization.

12457055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 12457055 is about 3529.4553404173. The cubic root of 12457055 is about 231.8133593535.

The spelling of 12457055 in words is "twelve million, four hundred fifty-seven thousand, fifty-five".