13779113 has 2 divisors, whose sum is σ = 13779114. Its totient is φ = 13779112.

The previous prime is 13779109. The next prime is 13779121. The reversal of 13779113 is 31197731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13778944 + 169 = 3712^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 13779113 - 2² = 13779109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13779113.

It is not a weakly prime, because it can be changed into another prime (13779173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6889556 + 6889557.

It is an arithmetic number, because the mean of its divisors is an integer number (6889557).

Almost surely, 2^13779113 is an apocalyptic number.

It is an amenable number.

13779113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13779113 is an equidigital number, since it uses as much as digits as its factorization.

13779113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 32.

The square root of 13779113 is about 3712.0227639388. The cubic root of 13779113 is about 239.7399556074.

The spelling of 13779113 in words is "thirteen million, seven hundred seventy-nine thousand, one hundred thirteen".