13902329 has 6 divisors (see below), whose sum is σ = 16172154. Its totient is φ = 11916240.

The previous prime is 13902323. The next prime is 13902337. The reversal of 13902329 is 92320931.

13902329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 906304 = 3605^2 + 952^2 .

It is not a de Polignac number, because 13902329 - 2⁴ = 13902313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13902323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141812 + ... + 141909.

It is an arithmetic number, because the mean of its divisors is an integer number (2695359).

Almost surely, 2^13902329 is an apocalyptic number.

It is an amenable number.

13902329 is a deficient number, since it is larger than the sum of its proper divisors (2269825).

13902329 is an equidigital number, since it uses as much as digits as its factorization.

13902329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283735 (or 283728 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13902329 is about 3728.5827066058. The cubic root of 13902329 is about 240.4524393657.

The spelling of 13902329 in words is "thirteen million, nine hundred two thousand, three hundred twenty-nine".