13438480 has 40 divisors (see below), whose sum is σ = 34087104. Its totient is φ = 4886400.

The previous prime is 13438441. The next prime is 13438507. The reversal of 13438480 is 8483431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 6756 + ... + 8515.

Almost surely, 2^13438480 is an apocalyptic number.

13438480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13438480 is an abundant number, since it is smaller than the sum of its proper divisors (20648624).

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

13438480 is a wasteful number, since it uses less digits than its factorization.

13438480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295 (or 15289 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 13438480 is about 3665.8532431073. The cubic root of 13438480 is about 237.7479147157.

The spelling of 13438480 in words is "thirteen million, four hundred thirty-eight thousand, four hundred eighty".