13770859 has 8 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 12890856.

The previous prime is 13770821. The next prime is 13770863. The reversal of 13770859 is 95807731.

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

It is not a de Polignac number, because 13770859 - 2²¹ = 11673707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13770259) 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, 5289 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^13770859 is an apocalyptic number.

13770859 is a deficient number, since it is larger than the sum of its proper divisors (905621).

13770859 is a wasteful number, since it uses less digits than its factorization.

13770859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 13770859 is about 3710.9108046408. The cubic root of 13770859 is about 239.6920761626.

The spelling of 13770859 in words is "thirteen million, seven hundred seventy thousand, eight hundred fifty-nine".