13087380 has 48 divisors (see below), whose sum is σ = 37275840. Its totient is φ = 3429888.

The previous prime is 13087379. The next prime is 13087387. The reversal of 13087380 is 8378031.

13087380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087387) 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, 1692 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (776580).

Almost surely, 2^13087380 is an apocalyptic number.

13087380 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 13087380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18637920).

13087380 is an abundant number, since it is smaller than the sum of its proper divisors (24188460).

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

13087380 is a wasteful number, since it uses less digits than its factorization.

13087380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13087380 is about 3617.6484074603. The cubic root of 13087380 is about 235.6591123654.

The spelling of 13087380 in words is "thirteen million, eighty-seven thousand, three hundred eighty".