13090779 has 24 divisors (see below), whose sum is σ = 20547072. Its totient is φ = 7983360.

The previous prime is 13090771. The next prime is 13090793. The reversal of 13090779 is 97709031.

It is not a de Polignac number, because 13090779 - 2³ = 13090771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13090771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14419 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (856128).

Almost surely, 2^13090779 is an apocalyptic number.

13090779 is a deficient number, since it is larger than the sum of its proper divisors (7456293).

13090779 is a wasteful number, since it uses less digits than its factorization.

13090779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 13090779 is about 3618.1181572746. The cubic root of 13090779 is about 235.6795120682.

It can be divided in two parts, 130 and 90779, that added together give a palindrome (90909).

The spelling of 13090779 in words is "thirteen million, ninety thousand, seven hundred seventy-nine".