13004235 has 48 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 6420480.

The previous prime is 13004207. The next prime is 13004261. The reversal of 13004235 is 53240031.

It is not a de Polignac number, because 13004235 - 2⁵ = 13004203 is a prime.

It is a super-2 number, since 2×13004235² = 338220255870450, which contains 22 as substring.

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, 67990 + ... + 68180.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

Almost surely, 2^13004235 is an apocalyptic number.

13004235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13004235 is a deficient number, since it is larger than the sum of its proper divisors (11256885).

13004235 is a wasteful number, since it uses less digits than its factorization.

13004235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

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

The square root of 13004235 is about 3606.1385164744. The cubic root of 13004235 is about 235.1589990830.

Adding to 13004235 its reverse (53240031), we get a palindrome (66244266).

The spelling of 13004235 in words is "thirteen million, four thousand, two hundred thirty-five".