13879142 has 4 divisors (see below), whose sum is σ = 20818716. Its totient is φ = 6939570.

The previous prime is 13879141. The next prime is 13879171. The reversal of 13879142 is 24197831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13879141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469784 + ... + 3469787.

It is an arithmetic number, because the mean of its divisors is an integer number (5204679).

Almost surely, 2^13879142 is an apocalyptic number.

13879142 is a deficient number, since it is larger than the sum of its proper divisors (6939574).

13879142 is an equidigital number, since it uses as much as digits as its factorization.

13879142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939573.

The product of its digits is 12096, while the sum is 35.

The square root of 13879142 is about 3725.4720506266. The cubic root of 13879142 is about 240.3186854406.

The spelling of 13879142 in words is "thirteen million, eight hundred seventy-nine thousand, one hundred forty-two".