13494979 has 2 divisors, whose sum is σ = 13494980. Its totient is φ = 13494978.

The previous prime is 13494977. The next prime is 13494983. The reversal of 13494979 is 97949431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13494979 - 2¹ = 13494977 is a prime.

It is a super-2 number, since 2×13494979² = 364228916420882, which contains 22 as substring.

Together with 13494977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13494977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6747489 + 6747490.

It is an arithmetic number, because the mean of its divisors is an integer number (6747490).

Almost surely, 2^13494979 is an apocalyptic number.

13494979 is a deficient number, since it is larger than the sum of its proper divisors (1).

13494979 is an equidigital number, since it uses as much as digits as its factorization.

13494979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 13494979 is about 3673.5512790759. The cubic root of 13494979 is about 238.0806343544.

It can be divided in two parts, 1349 and 4979, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 13494979 in words is "thirteen million, four hundred ninety-four thousand, nine hundred seventy-nine".