13311480 has 256 divisors, whose sum is σ = 52254720. Its totient is φ = 2635776.

The previous prime is 13311479. The next prime is 13311491. The reversal of 13311480 is 8411331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251134 + ... + 251186.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

Almost surely, 2^13311480 is an apocalyptic number.

13311480 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 13311480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

13311480 is an abundant number, since it is smaller than the sum of its proper divisors (38943240).

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

13311480 is a wasteful number, since it uses less digits than its factorization.

13311480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13311480 is about 3648.4900986573. The cubic root of 13311480 is about 236.9965994990.

The spelling of 13311480 in words is "thirteen million, three hundred eleven thousand, four hundred eighty".