13502480 has 20 divisors (see below), whose sum is σ = 31393452. Its totient is φ = 5400960.

The previous prime is 13502479. The next prime is 13502491. The reversal of 13502480 is 8420531.

It can be written as a sum of positive squares in 2 ways, for example, as 1364224 + 12138256 = 1168^2 + 3484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84311 + ... + 84470.

Almost surely, 2^13502480 is an apocalyptic number.

13502480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13502480 is an abundant number, since it is smaller than the sum of its proper divisors (17890972).

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

13502480 is a wasteful number, since it uses less digits than its factorization.

13502480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168794 (or 168788 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 13502480 is about 3674.5720839303. The cubic root of 13502480 is about 238.1247374751.

The spelling of 13502480 in words is "thirteen million, five hundred two thousand, four hundred eighty".