11621504 has 16 divisors (see below), whose sum is σ = 23152470. Its totient is φ = 5810688.

The previous prime is 11621503. The next prime is 11621507. The reversal of 11621504 is 40512611.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 61504 = 3400^2 + 248^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11621501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45269 + ... + 45524.

Almost surely, 2^11621504 is an apocalyptic number.

It is an amenable number.

11621504 is a deficient number, since it is larger than the sum of its proper divisors (11530966).

11621504 is an frugal number, since it uses more digits than its factorization.

11621504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90807 (or 90795 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11621504 is about 3409.0327073820. The cubic root of 11621504 is about 226.5100340406.

The spelling of 11621504 in words is "eleven million, six hundred twenty-one thousand, five hundred four".