11918464 has 16 divisors (see below), whose sum is σ = 23744070. Its totient is φ = 5959168.

The previous prime is 11918447. The next prime is 11918471. The reversal of 11918464 is 46481911.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 1420864 = 3240^2 + 1192^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 46429 + ... + 46684.

Almost surely, 2^11918464 is an apocalyptic number.

It is an amenable number.

11918464 is a deficient number, since it is larger than the sum of its proper divisors (11825606).

11918464 is an frugal number, since it uses more digits than its factorization.

11918464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93127 (or 93115 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 11918464 is about 3452.3128479325. The cubic root of 11918464 is about 228.4231395304.

The spelling of 11918464 in words is "eleven million, nine hundred eighteen thousand, four hundred sixty-four".