13147879 has 8 divisors (see below), whose sum is σ = 13567088. Its totient is φ = 12735360.

The previous prime is 13147861. The next prime is 13147949. The reversal of 13147879 is 97874131.

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

It is not a de Polignac number, because 13147879 - 2⁹ = 13147367 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 (13147819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (1695886).

Almost surely, 2^13147879 is an apocalyptic number.

13147879 is a deficient number, since it is larger than the sum of its proper divisors (419209).

13147879 is an equidigital number, since it uses as much as digits as its factorization.

13147879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its digits is 42336, while the sum is 40.

The square root of 13147879 is about 3626.0004136790. Note that the first 3 decimals coincide. The cubic root of 13147879 is about 236.0216811930.

The spelling of 13147879 in words is "thirteen million, one hundred forty-seven thousand, eight hundred seventy-nine".