13020980 has 48 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 4200960.

The previous prime is 13020979. The next prime is 13020983. The reversal of 13020980 is 8902031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^13020980 is an apocalyptic number.

13020980 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 13020980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547328).

13020980 is an abundant number, since it is smaller than the sum of its proper divisors (20073676).

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

13020980 is a wasteful number, since it uses less digits than its factorization.

13020980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 5502 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13020980 is about 3608.4595051074. The cubic root of 13020980 is about 235.2598905361.

The spelling of 13020980 in words is "thirteen million, twenty thousand, nine hundred eighty".