11643604 has 24 divisors (see below), whose sum is σ = 23918720. Its totient is φ = 4854816.

The previous prime is 11643601. The next prime is 11643607. The reversal of 11643604 is 40634611.

11643604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11643601) and next prime (11643607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4584 + ... + 6655.

Almost surely, 2^11643604 is an apocalyptic number.

11643604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11643604 is an abundant number, since it is smaller than the sum of its proper divisors (12275116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11643604 is a wasteful number, since it uses less digits than its factorization.

11643604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287 (or 11285 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 11643604 is about 3412.2725565230. The cubic root of 11643604 is about 226.6535238439.

The spelling of 11643604 in words is "eleven million, six hundred forty-three thousand, six hundred four".