13939383 has 8 divisors (see below), whose sum is σ = 18637168. Its totient is φ = 9267264.

The previous prime is 13939381. The next prime is 13939391. The reversal of 13939383 is 38393931.

It is a happy number.

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

It is not a de Polignac number, because 13939383 - 2¹ = 13939381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (2329646).

Almost surely, 2^13939383 is an apocalyptic number.

13939383 is a deficient number, since it is larger than the sum of its proper divisors (4697785).

13939383 is a wasteful number, since it uses less digits than its factorization.

13939383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833.

The product of its digits is 52488, while the sum is 39.

The square root of 13939383 is about 3733.5483122627. The cubic root of 13939383 is about 240.6658765211.

It can be divided in two parts, 1393938 and 3, that multiplied together give a palindrome (4181814).

The spelling of 13939383 in words is "thirteen million, nine hundred thirty-nine thousand, three hundred eighty-three".