13072830 has 32 divisors (see below), whose sum is σ = 33221664. Its totient is φ = 3280896.

The previous prime is 13072799. The next prime is 13072831. The reversal of 13072830 is 3827031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13072830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072831) 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, 12307 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (1038177).

Almost surely, 2^13072830 is an apocalyptic number.

13072830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13072830 is an abundant number, since it is smaller than the sum of its proper divisors (20148834).

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

13072830 is a wasteful number, since it uses less digits than its factorization.

13072830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25660.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13072830 is about 3615.6368733599. The cubic root of 13072830 is about 235.5717480101.

Adding to 13072830 its reverse (3827031), we get a palindrome (16899861).

The spelling of 13072830 in words is "thirteen million, seventy-two thousand, eight hundred thirty".