13243479 has 8 divisors (see below), whose sum is σ = 18227712. Its totient is φ = 8544120.

The previous prime is 13243471. The next prime is 13243537. The reversal of 13243479 is 97434231.

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

It is not a de Polignac number, because 13243479 - 2³ = 13243471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71109 + ... + 71294.

It is an arithmetic number, because the mean of its divisors is an integer number (2278464).

Almost surely, 2^13243479 is an apocalyptic number.

13243479 is a deficient number, since it is larger than the sum of its proper divisors (4984233).

13243479 is a wasteful number, since it uses less digits than its factorization.

13243479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142437.

The product of its digits is 18144, while the sum is 33.

The square root of 13243479 is about 3639.1591061672. The cubic root of 13243479 is about 236.5923487695.

The spelling of 13243479 in words is "thirteen million, two hundred forty-three thousand, four hundred seventy-nine".