11813894 has 8 divisors (see below), whose sum is σ = 17893200. Its totient is φ = 5849496.

The previous prime is 11813891. The next prime is 11813899. The reversal of 11813894 is 49831811.

11813894 = 20² + 21² + ... + 328².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813891) 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, 28469 + ... + 28880.

It is an arithmetic number, because the mean of its divisors is an integer number (2236650).

Almost surely, 2^11813894 is an apocalyptic number.

11813894 is a deficient number, since it is larger than the sum of its proper divisors (6079306).

11813894 is a wasteful number, since it uses less digits than its factorization.

11813894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57454.

The product of its digits is 6912, while the sum is 35.

The square root of 11813894 is about 3437.1345623935. The cubic root of 11813894 is about 227.7531312791.

The spelling of 11813894 in words is "eleven million, eight hundred thirteen thousand, eight hundred ninety-four".