13903329 has 8 divisors (see below), whose sum is σ = 20223072. Its totient is φ = 8426240.

The previous prime is 13903327. The next prime is 13903333. The reversal of 13903329 is 92330931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13903329 - 2¹ = 13903327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13903296 and 13903305.

It is not an unprimeable number, because it can be changed into a prime (13903321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210624 + ... + 210689.

It is an arithmetic number, because the mean of its divisors is an integer number (2527884).

Almost surely, 2^13903329 is an apocalyptic number.

It is an amenable number.

13903329 is a deficient number, since it is larger than the sum of its proper divisors (6319743).

13903329 is a wasteful number, since it uses less digits than its factorization.

13903329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421327.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 13903329 is about 3728.7168034057. The cubic root of 13903329 is about 240.4582045070.

The spelling of 13903329 in words is "thirteen million, nine hundred three thousand, three hundred twenty-nine".