11813442 has 16 divisors (see below), whose sum is σ = 23848992. Its totient is φ = 3900800.

The previous prime is 11813441. The next prime is 11813447. The reversal of 11813442 is 24431811.

It is not an unprimeable number, because it can be changed into a prime (11813441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8559 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (1490562).

Almost surely, 2^11813442 is an apocalyptic number.

11813442 is an abundant number, since it is smaller than the sum of its proper divisors (12035550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11813442 is a wasteful number, since it uses less digits than its factorization.

11813442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18513.

The product of its digits is 768, while the sum is 24.

The square root of 11813442 is about 3437.0688093199. The cubic root of 11813442 is about 227.7502266278.

The spelling of 11813442 in words is "eleven million, eight hundred thirteen thousand, four hundred forty-two".