11406857 has 12 divisors (see below), whose sum is σ = 14476176. Its totient is φ = 8888040.

The previous prime is 11406833. The next prime is 11406869. The reversal of 11406857 is 75860411.

It is a happy number.

It is not a de Polignac number, because 11406857 - 2¹⁴ = 11390473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11406887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10043 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (1206348).

Almost surely, 2^11406857 is an apocalyptic number.

It is an amenable number.

11406857 is a deficient number, since it is larger than the sum of its proper divisors (3069319).

11406857 is a wasteful number, since it uses less digits than its factorization.

11406857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188 (or 21181 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 11406857 is about 3377.4038846428. The cubic root of 11406857 is about 225.1068266385.

It can be divided in two parts, 1140 and 6857, that added together give a palindrome (7997).

The spelling of 11406857 in words is "eleven million, four hundred six thousand, eight hundred fifty-seven".