13441920 has 64 divisors (see below), whose sum is σ = 42852240. Its totient is φ = 3584000.

The previous prime is 13441907. The next prime is 13441943. The reversal of 13441920 is 2914431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 5420.

Almost surely, 2^13441920 is an apocalyptic number.

13441920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13441920 is an abundant number, since it is smaller than the sum of its proper divisors (29410320).

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

13441920 is an equidigital number, since it uses as much as digits as its factorization.

13441920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13441920 is about 3666.3224080814. The cubic root of 13441920 is about 237.7681993275.

The spelling of 13441920 in words is "thirteen million, four hundred forty-one thousand, nine hundred twenty".