13349971 has 2 divisors, whose sum is σ = 13349972. Its totient is φ = 13349970.

The previous prime is 13349957. The next prime is 13349983. The reversal of 13349971 is 17994331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13349971 - 2⁵ = 13349939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13349971.

It is not a weakly prime, because it can be changed into another prime (13349671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6674985 + 6674986.

It is an arithmetic number, because the mean of its divisors is an integer number (6674986).

Almost surely, 2^13349971 is an apocalyptic number.

13349971 is the 2110-th hex number.

13349971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13349971 is an equidigital number, since it uses as much as digits as its factorization.

13349971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 13349971 is about 3653.7612127779. The cubic root of 13349971 is about 237.2248099784.

The spelling of 13349971 in words is "thirteen million, three hundred forty-nine thousand, nine hundred seventy-one".