13629279 has 8 divisors (see below), whose sum is σ = 18223360. Its totient is φ = 9060696.

The previous prime is 13629247. The next prime is 13629281. The reversal of 13629279 is 97292631.

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

It is not a de Polignac number, because 13629279 - 2⁵ = 13629247 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 (13629229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5089 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (2277920).

Almost surely, 2^13629279 is an apocalyptic number.

13629279 is a deficient number, since it is larger than the sum of its proper divisors (4594081).

13629279 is a wasteful number, since it uses less digits than its factorization.

13629279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12749.

The product of its digits is 40824, while the sum is 39.

The square root of 13629279 is about 3691.7853404552. The cubic root of 13629279 is about 238.8678096979.

The spelling of 13629279 in words is "thirteen million, six hundred twenty-nine thousand, two hundred seventy-nine".