13000780 has 48 divisors (see below), whose sum is σ = 30369024. Its totient is φ = 4642560.

The previous prime is 13000753. The next prime is 13000781. The reversal of 13000780 is 8700031.

It is not an unprimeable number, because it can be changed into a prime (13000781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254 + ... + 8866.

It is an arithmetic number, because the mean of its divisors is an integer number (632688).

Almost surely, 2^13000780 is an apocalyptic number.

13000780 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 13000780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15184512).

13000780 is an abundant number, since it is smaller than the sum of its proper divisors (17368244).

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

13000780 is a wasteful number, since it uses less digits than its factorization.

13000780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13000780 is about 3605.6594403798. The cubic root of 13000780 is about 235.1381713474.

The spelling of 13000780 in words is "thirteen million, seven hundred eighty", and thus it is an aban number.