11312859 has 4 divisors (see below), whose sum is σ = 15083816. Its totient is φ = 7541904.

The previous prime is 11312839. The next prime is 11312863. The reversal of 11312859 is 95821311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95821311 = 3 ⋅31940437.

It is not a de Polignac number, because 11312859 - 2⁷ = 11312731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885474 + ... + 1885479.

It is an arithmetic number, because the mean of its divisors is an integer number (3770954).

Almost surely, 2^11312859 is an apocalyptic number.

11312859 is a deficient number, since it is larger than the sum of its proper divisors (3770957).

11312859 is an equidigital number, since it uses as much as digits as its factorization.

11312859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770956.

The product of its digits is 2160, while the sum is 30.

The square root of 11312859 is about 3363.4593798647. The cubic root of 11312859 is about 224.4867907896.

The spelling of 11312859 in words is "eleven million, three hundred twelve thousand, eight hundred fifty-nine".