14142779 has 8 divisors (see below), whose sum is σ = 16202208. Its totient is φ = 12093120.

The previous prime is 14142763. The next prime is 14142823. The reversal of 14142779 is 97724141.

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

It is a cyclic number.

It is not a de Polignac number, because 14142779 - 2⁴ = 14142763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142719) 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, 989 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (2025276).

Almost surely, 2^14142779 is an apocalyptic number.

14142779 is a deficient number, since it is larger than the sum of its proper divisors (2059429).

14142779 is an equidigital number, since it uses as much as digits as its factorization.

14142779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its digits is 14112, while the sum is 35.

The square root of 14142779 is about 3760.6886337478. The cubic root of 14142779 is about 241.8307846497.

The spelling of 14142779 in words is "fourteen million, one hundred forty-two thousand, seven hundred seventy-nine".