11813642 has 8 divisors (see below), whose sum is σ = 17820000. Its totient is φ = 5873644.

The previous prime is 11813621. The next prime is 11813653. The reversal of 11813642 is 24631811.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16142 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^11813642 is an apocalyptic number.

11813642 is a deficient number, since it is larger than the sum of its proper divisors (6006358).

11813642 is a wasteful number, since it uses less digits than its factorization.

11813642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33180.

The product of its digits is 1152, while the sum is 26.

The square root of 11813642 is about 3437.0979037554. The cubic root of 11813642 is about 227.7515118809.

The spelling of 11813642 in words is "eleven million, eight hundred thirteen thousand, six hundred forty-two".