13018880 has 72 divisors (see below), whose sum is σ = 35663712. Its totient is φ = 4460544.

The previous prime is 13018871. The next prime is 13018909. The reversal of 13018880 is 8881031.

It is a happy number.

It is a congruent number.

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, 8234 + ... + 9686.

Almost surely, 2^13018880 is an apocalyptic number.

13018880 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 13018880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17831856).

13018880 is an abundant number, since it is smaller than the sum of its proper divisors (22644832).

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

13018880 is an equidigital number, since it uses as much as digits as its factorization.

13018880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 13018880 is about 3608.1685104773. The cubic root of 13018880 is about 235.2472424269.

The spelling of 13018880 in words is "thirteen million, eighteen thousand, eight hundred eighty".