13913480 has 128 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 4313088.

The previous prime is 13913461. The next prime is 13913521. The reversal of 13913480 is 8431931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176081 + ... + 176159.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

Almost surely, 2^13913480 is an apocalyptic number.

13913480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13913480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19699200).

13913480 is an abundant number, since it is smaller than the sum of its proper divisors (25484920).

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

13913480 is a wasteful number, since it uses less digits than its factorization.

13913480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13913480 is about 3730.0777471790. The cubic root of 13913480 is about 240.5167108171.

The spelling of 13913480 in words is "thirteen million, nine hundred thirteen thousand, four hundred eighty".