12457137 has 16 divisors (see below), whose sum is σ = 20708352. Its totient is φ = 6471120.

The previous prime is 12457127. The next prime is 12457157. The reversal of 12457137 is 73175421.

12457137 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12457137 - 2¹⁹ = 11932849 is a prime.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (12457127) 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, 26733 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (1294272).

Almost surely, 2^12457137 is an apocalyptic number.

It is an amenable number.

12457137 is a deficient number, since it is larger than the sum of its proper divisors (8251215).

12457137 is a wasteful number, since it uses less digits than its factorization.

12457137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53948.

The product of its digits is 5880, while the sum is 30.

The square root of 12457137 is about 3529.4669569214. The cubic root of 12457137 is about 231.8138679984.

The spelling of 12457137 in words is "twelve million, four hundred fifty-seven thousand, one hundred thirty-seven".