11685057 has 16 divisors (see below), whose sum is σ = 16968000. Its totient is φ = 7124544.

The previous prime is 11685053. The next prime is 11685061. The reversal of 11685057 is 75058611.

It is an interprime number because it is at equal distance from previous prime (11685053) and next prime (11685061).

It is not a de Polignac number, because 11685057 - 2² = 11685053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11685053) 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, 1882 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500).

Almost surely, 2^11685057 is an apocalyptic number.

It is an amenable number.

11685057 is a deficient number, since it is larger than the sum of its proper divisors (5282943).

11685057 is a wasteful number, since it uses less digits than its factorization.

11685057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 11685057 is about 3418.3412644147. The cubic root of 11685057 is about 226.9221789430.

The spelling of 11685057 in words is "eleven million, six hundred eighty-five thousand, fifty-seven".