13361779 has 8 divisors (see below), whose sum is σ = 14636160. Its totient is φ = 12141696.

The previous prime is 13361753. The next prime is 13361801. The reversal of 13361779 is 97716331.

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 13361779 - 2⁹ = 13361267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13361749) 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, 13059 + ... + 14044.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^13361779 is an apocalyptic number.

13361779 is a deficient number, since it is larger than the sum of its proper divisors (1274381).

13361779 is a wasteful number, since it uses less digits than its factorization.

13361779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27149.

The product of its digits is 23814, while the sum is 37.

The square root of 13361779 is about 3655.3767247713. The cubic root of 13361779 is about 237.2947308567.

The spelling of 13361779 in words is "thirteen million, three hundred sixty-one thousand, seven hundred seventy-nine".