11885457 has 16 divisors (see below), whose sum is σ = 16622208. Its totient is φ = 7539840.

The previous prime is 11885443. The next prime is 11885459. The reversal of 11885457 is 75458811.

It is not a de Polignac number, because 11885457 - 2⁸ = 11885201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11885459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19083 + ... + 19695.

It is an arithmetic number, because the mean of its divisors is an integer number (1038888).

Almost surely, 2^11885457 is an apocalyptic number.

It is an amenable number.

11885457 is a deficient number, since it is larger than the sum of its proper divisors (4736751).

11885457 is a wasteful number, since it uses less digits than its factorization.

11885457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 44800, while the sum is 39.

The square root of 11885457 is about 3447.5291151780. The cubic root of 11885457 is about 228.2120795225.

The spelling of 11885457 in words is "eleven million, eight hundred eighty-five thousand, four hundred fifty-seven".