11657457 has 48 divisors (see below), whose sum is σ = 20447232. Its totient is φ = 6259680.

The previous prime is 11657417. The next prime is 11657483. The reversal of 11657457 is 75475611.

11657457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11657457 - 2⁸ = 11657201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11657417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91728 + ... + 91854.

It is an arithmetic number, because the mean of its divisors is an integer number (425984).

Almost surely, 2^11657457 is an apocalyptic number.

It is an amenable number.

11657457 is a deficient number, since it is larger than the sum of its proper divisors (8789775).

11657457 is a wasteful number, since it uses less digits than its factorization.

11657457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 11657457 is about 3414.3018320002. The cubic root of 11657457 is about 226.7433753733.

The spelling of 11657457 in words is "eleven million, six hundred fifty-seven thousand, four hundred fifty-seven".