13072235 has 48 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 8448000.

The previous prime is 13072229. The next prime is 13072253. The reversal of 13072235 is 53227031.

It is not a de Polignac number, because 13072235 - 2⁴ = 13072219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13072235.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318815 + ... + 318855.

It is an arithmetic number, because the mean of its divisors is an integer number (402192).

Almost surely, 2^13072235 is an apocalyptic number.

13072235 is a deficient number, since it is larger than the sum of its proper divisors (6232981).

13072235 is a wasteful number, since it uses less digits than its factorization.

13072235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13072235 is about 3615.5545909307. The cubic root of 13072235 is about 235.5681739990.

Adding to 13072235 its reverse (53227031), we get a palindrome (66299266).

The spelling of 13072235 in words is "thirteen million, seventy-two thousand, two hundred thirty-five".