13904235 has 24 divisors (see below), whose sum is σ = 24513840. Its totient is φ = 7288512.

The previous prime is 13904201. The next prime is 13904263. The reversal of 13904235 is 53240931.

13904235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13904235 - 2⁶ = 13904171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13904199 and 13904208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (1021410).

Almost surely, 2^13904235 is an apocalyptic number.

13904235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13904235 is a deficient number, since it is larger than the sum of its proper divisors (10609605).

13904235 is a wasteful number, since it uses less digits than its factorization.

13904235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307 (or 5304 counting only the distinct ones).

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

The square root of 13904235 is about 3728.8382909426. The cubic root of 13904235 is about 240.4634274864.

It can be divided in two parts, 1390 and 4235, that added together give a square (5625 = 75²).

The spelling of 13904235 in words is "thirteen million, nine hundred four thousand, two hundred thirty-five".