13964320 has 24 divisors (see below), whose sum is σ = 32991084. Its totient is φ = 5585664.

The previous prime is 13964299. The next prime is 13964323. The reversal of 13964320 is 2346931.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 685584 = 3644^2 + 828^2 .

It is not an unprimeable number, because it can be changed into a prime (13964323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43479 + ... + 43798.

Almost surely, 2^13964320 is an apocalyptic number.

13964320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13964320 is an abundant number, since it is smaller than the sum of its proper divisors (19026764).

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

13964320 is an equidigital number, since it uses as much as digits as its factorization.

13964320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87292 (or 87284 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13964320 is about 3736.8864044817. The cubic root of 13964320 is about 240.8093049093.

The spelling of 13964320 in words is "thirteen million, nine hundred sixty-four thousand, three hundred twenty".