13235904 has 84 divisors (see below), whose sum is σ = 41407080. Its totient is φ = 4008960.

The previous prime is 13235903. The next prime is 13235909. The reversal of 13235904 is 40953231.

13235904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13235903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5292 + ... + 7380.

Almost surely, 2^13235904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13235904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20703540).

13235904 is an abundant number, since it is smaller than the sum of its proper divisors (28171176).

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

13235904 is a wasteful number, since it uses less digits than its factorization.

13235904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13235904 is about 3638.1181948914. The cubic root of 13235904 is about 236.5472314996.

It can be divided in two parts, 1323 and 5904, that added together give a palindrome (7227).

The spelling of 13235904 in words is "thirteen million, two hundred thirty-five thousand, nine hundred four".