13004480 has 28 divisors (see below), whose sum is σ = 30967680. Its totient is φ = 5201664.

The previous prime is 13004479. The next prime is 13004483. The reversal of 13004480 is 8440031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13004483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000 + ... + 20639.

Almost surely, 2^13004480 is an apocalyptic number.

13004480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13004480 is an abundant number, since it is smaller than the sum of its proper divisors (17963200).

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

13004480 is an equidigital number, since it uses as much as digits as its factorization.

13004480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40656 (or 40646 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 13004480 is about 3606.1724861687. The cubic root of 13004480 is about 235.1604758736.

The spelling of 13004480 in words is "thirteen million, four thousand, four hundred eighty".