11533879 has 16 divisors (see below), whose sum is σ = 13962240. Its totient is φ = 9313920.

The previous prime is 11533867. The next prime is 11533883. The reversal of 11533879 is 97833511.

It is a happy number.

It is not a de Polignac number, because 11533879 - 2¹⁵ = 11501111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533859) 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, 10927 + ... + 11935.

It is an arithmetic number, because the mean of its divisors is an integer number (872640).

Almost surely, 2^11533879 is an apocalyptic number.

11533879 is a deficient number, since it is larger than the sum of its proper divisors (2428361).

11533879 is a wasteful number, since it uses less digits than its factorization.

11533879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its digits is 22680, while the sum is 37.

The square root of 11533879 is about 3396.1565040498. The cubic root of 11533879 is about 225.9393094142.

The spelling of 11533879 in words is "eleven million, five hundred thirty-three thousand, eight hundred seventy-nine".