13924480 has 32 divisors (see below), whose sum is σ = 33289740. Its totient is φ = 5569536.

The previous prime is 13924459. The next prime is 13924483. The reversal of 13924480 is 8442931.

It can be written as a sum of positive squares in 2 ways, for example, as 13483584 + 440896 = 3672^2 + 664^2 .

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

It is a super-2 number, since 2×13924480² = 387782286540800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13924483) 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, 10239 + ... + 11518.

Almost surely, 2^13924480 is an apocalyptic number.

13924480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13924480 is an abundant number, since it is smaller than the sum of its proper divisors (19365260).

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

13924480 is an equidigital number, since it uses as much as digits as its factorization.

13924480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21776 (or 21764 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13924480 is about 3731.5519559561. The cubic root of 13924480 is about 240.5800783067.

The spelling of 13924480 in words is "thirteen million, nine hundred twenty-four thousand, four hundred eighty".