13007279 has 4 divisors (see below), whose sum is σ = 13019376. Its totient is φ = 12995184.

The previous prime is 13007273. The next prime is 13007303. The reversal of 13007279 is 97270031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13007279 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 (13007273) 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, 4259 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (3254844).

Almost surely, 2^13007279 is an apocalyptic number.

13007279 is a deficient number, since it is larger than the sum of its proper divisors (12097).

13007279 is a wasteful number, since it uses less digits than its factorization.

13007279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 13007279 is about 3606.5605498868. The cubic root of 13007279 is about 235.1773461356.

The spelling of 13007279 in words is "thirteen million, seven thousand, two hundred seventy-nine".