13967479 has 4 divisors (see below), whose sum is σ = 13977400. Its totient is φ = 13957560.

The previous prime is 13967449. The next prime is 13967519. The reversal of 13967479 is 97476931.

13967479 = T₃₀₅₀ + T₃₀₅₁ + T₃₀₅₂.

13967479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13967479 - 2¹¹ = 13965431 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 (13967419) 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, 2412 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (3494350).

Almost surely, 2^13967479 is an apocalyptic number.

13967479 is the 3052-nd centered triangular number.

13967479 is a deficient number, since it is larger than the sum of its proper divisors (9921).

13967479 is an equidigital number, since it uses as much as digits as its factorization.

13967479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920.

The product of its digits is 285768, while the sum is 46.

The square root of 13967479 is about 3737.3090586677. The cubic root of 13967479 is about 240.8274621185.

The spelling of 13967479 in words is "thirteen million, nine hundred sixty-seven thousand, four hundred seventy-nine".