13461979 has 2 divisors, whose sum is σ = 13461980. Its totient is φ = 13461978.

The previous prime is 13461949. The next prime is 13461983. The reversal of 13461979 is 97916431.

It is a strong prime.

It is an emirp because it is prime and its reverse (97916431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13461979 - 2¹³ = 13453787 is a prime.

It is not a weakly prime, because it can be changed into another prime (13461919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6730989 + 6730990.

It is an arithmetic number, because the mean of its divisors is an integer number (6730990).

Almost surely, 2^13461979 is an apocalyptic number.

13461979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13461979 is an equidigital number, since it uses as much as digits as its factorization.

13461979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 13461979 is about 3669.0569633081. The cubic root of 13461979 is about 237.8864121489.

The spelling of 13461979 in words is "thirteen million, four hundred sixty-one thousand, nine hundred seventy-nine".