13952279 has 8 divisors (see below), whose sum is σ = 15545088. Its totient is φ = 12413560.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952279 is 97225931.

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 13952279 - 2²⁰ = 12903703 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 (13952179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977 + ... + 14010.

It is an arithmetic number, because the mean of its divisors is an integer number (1943136).

Almost surely, 2^13952279 is an apocalyptic number.

13952279 is a deficient number, since it is larger than the sum of its proper divisors (1592809).

13952279 is a wasteful number, since it uses less digits than its factorization.

13952279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27045.

The product of its digits is 34020, while the sum is 38.

The square root of 13952279 is about 3735.2749564122. The cubic root of 13952279 is about 240.7400708746.

The spelling of 13952279 in words is "thirteen million, nine hundred fifty-two thousand, two hundred seventy-nine".