13770879 has 8 divisors (see below), whose sum is σ = 18788352. Its totient is φ = 8967000.

The previous prime is 13770863. The next prime is 13770929. The reversal of 13770879 is 97807731.

It is a happy number.

13770879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13770879 - 2⁴ = 13770863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13770879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13772879) 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, 53247 + ... + 53504.

It is an arithmetic number, because the mean of its divisors is an integer number (2348544).

Almost surely, 2^13770879 is an apocalyptic number.

13770879 is a deficient number, since it is larger than the sum of its proper divisors (5017473).

13770879 is a wasteful number, since it uses less digits than its factorization.

13770879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106797.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 13770879 is about 3710.9134993961. The cubic root of 13770879 is about 239.6921922008.

The spelling of 13770879 in words is "thirteen million, seven hundred seventy thousand, eight hundred seventy-nine".