11904641 has 16 divisors (see below), whose sum is σ = 14618880. Its totient is φ = 9461760.

The previous prime is 11904631. The next prime is 11904661. The reversal of 11904641 is 14640911.

It is not a de Polignac number, because 11904641 - 2¹⁴ = 11888257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11904641.

It is not an unprimeable number, because it can be changed into a prime (11904601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7745 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (913680).

Almost surely, 2^11904641 is an apocalyptic number.

It is an amenable number.

11904641 is a deficient number, since it is larger than the sum of its proper divisors (2714239).

11904641 is a wasteful number, since it uses less digits than its factorization.

11904641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11904641 is about 3450.3102759027. The cubic root of 11904641 is about 228.3347972035.

The spelling of 11904641 in words is "eleven million, nine hundred four thousand, six hundred forty-one".