13441664 has 32 divisors (see below), whose sum is σ = 28192800. Its totient is φ = 6365952.

The previous prime is 13441657. The next prime is 13441723. The reversal of 13441664 is 46614431.

It is a tau number, because it is divible by the number of its divisors (32).

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, 332 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (881025).

Almost surely, 2^13441664 is an apocalyptic number.

It is an amenable number.

13441664 is an abundant number, since it is smaller than the sum of its proper divisors (14751136).

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

13441664 is an equidigital number, since it uses as much as digits as its factorization.

13441664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5548 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 13441664 is about 3666.2874955464. The cubic root of 13441664 is about 237.7666898942.

The spelling of 13441664 in words is "thirteen million, four hundred forty-one thousand, six hundred sixty-four".