13415780 has 48 divisors (see below), whose sum is σ = 32632320. Its totient is φ = 4537728.

The previous prime is 13415749. The next prime is 13415813. The reversal of 13415780 is 8751431.

13415780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10454 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (679840).

Almost surely, 2^13415780 is an apocalyptic number.

13415780 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 13415780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16316160).

13415780 is an abundant number, since it is smaller than the sum of its proper divisors (19216540).

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

13415780 is a wasteful number, since it uses less digits than its factorization.

13415780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 13415780 is about 3662.7557931153. The cubic root of 13415780 is about 237.6139729980.

The spelling of 13415780 in words is "thirteen million, four hundred fifteen thousand, seven hundred eighty".