13040235 has 24 divisors (see below), whose sum is σ = 24342864. Its totient is φ = 6419520.

The previous prime is 13040231. The next prime is 13040257. The reversal of 13040235 is 53204031.

It is not a de Polignac number, because 13040235 - 2² = 13040231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13040231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10561 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (1014286).

Almost surely, 2^13040235 is an apocalyptic number.

13040235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13040235 is a deficient number, since it is larger than the sum of its proper divisors (11302629).

13040235 is a wasteful number, since it uses less digits than its factorization.

13040235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22315 (or 22312 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13040235 is about 3611.1265555225. The cubic root of 13040235 is about 235.3757983024.

Adding to 13040235 its reverse (53204031), we get a palindrome (66244266).

The spelling of 13040235 in words is "thirteen million, forty thousand, two hundred thirty-five".