13950439 has 4 divisors (see below), whose sum is σ = 13967224. Its totient is φ = 13933656.

The previous prime is 13950413. The next prime is 13950463. The reversal of 13950439 is 93405931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93405931 = 1993 ⋅46867.

It is a cyclic number.

It is not a de Polignac number, because 13950439 - 2⁵ = 13950407 is a prime.

It is a super-2 number, since 2×13950439² = 389229496585442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13950499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7077 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (3491806).

Almost surely, 2^13950439 is an apocalyptic number.

13950439 is a deficient number, since it is larger than the sum of its proper divisors (16785).

13950439 is an equidigital number, since it uses as much as digits as its factorization.

13950439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16784.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 13950439 is about 3735.0286478152. The cubic root of 13950439 is about 240.7294876286.

The spelling of 13950439 in words is "thirteen million, nine hundred fifty thousand, four hundred thirty-nine".