13007790 has 96 divisors (see below), whose sum is σ = 36088416. Its totient is φ = 3369600.

The previous prime is 13007777. The next prime is 13007791. The reversal of 13007790 is 9770031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13007791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128740 + ... + 128840.

It is an arithmetic number, because the mean of its divisors is an integer number (375921).

Almost surely, 2^13007790 is an apocalyptic number.

13007790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13007790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18044208).

13007790 is an abundant number, since it is smaller than the sum of its proper divisors (23080626).

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

13007790 is a wasteful number, since it uses less digits than its factorization.

13007790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 13007790 is about 3606.6313923106. The cubic root of 13007790 is about 235.1804257971.

The spelling of 13007790 in words is "thirteen million, seven thousand, seven hundred ninety".