13737979 has 2 divisors, whose sum is σ = 13737980. Its totient is φ = 13737978.

The previous prime is 13737961. The next prime is 13738001. The reversal of 13737979 is 97973731.

It is a weak prime.

It is an emirp because it is prime and its reverse (97973731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13737979 - 2⁵ = 13737947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13737679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6868989 + 6868990.

It is an arithmetic number, because the mean of its divisors is an integer number (6868990).

Almost surely, 2^13737979 is an apocalyptic number.

13737979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13737979 is an equidigital number, since it uses as much as digits as its factorization.

13737979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250047, while the sum is 46.

The square root of 13737979 is about 3706.4779778113. The cubic root of 13737979 is about 239.5011571546.

The spelling of 13737979 in words is "thirteen million, seven hundred thirty-seven thousand, nine hundred seventy-nine".