13088730 has 16 divisors (see below), whose sum is σ = 31413024. Its totient is φ = 3490320.

The previous prime is 13088723. The next prime is 13088731. The reversal of 13088730 is 3788031.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 436291 = 13088730 / (1 + 3 + 0 + 8 + 8 + 7 + 3 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13088731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218116 + ... + 218175.

It is an arithmetic number, because the mean of its divisors is an integer number (1963314).

Almost surely, 2^13088730 is an apocalyptic number.

13088730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13088730 is an abundant number, since it is smaller than the sum of its proper divisors (18324294).

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

13088730 is a wasteful number, since it uses less digits than its factorization.

13088730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436301.

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

The square root of 13088730 is about 3617.8349879451. The cubic root of 13088730 is about 235.6672150532.

The spelling of 13088730 in words is "thirteen million, eighty-eight thousand, seven hundred thirty".