13417969 has 2 divisors, whose sum is σ = 13417970. Its totient is φ = 13417968.

The previous prime is 13417967. The next prime is 13417991. The reversal of 13417969 is 96971431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13417569 + 400 = 3663^2 + 20^2 .

It is an emirp because it is prime and its reverse (96971431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13417969 - 2¹ = 13417967 is a prime.

It is a super-2 number, since 2×13417969² = 360083784169922, which contains 22 as substring.

Together with 13417967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13417967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6708984 + 6708985.

It is an arithmetic number, because the mean of its divisors is an integer number (6708985).

Almost surely, 2^13417969 is an apocalyptic number.

It is an amenable number.

13417969 is a deficient number, since it is larger than the sum of its proper divisors (1).

13417969 is an equidigital number, since it uses as much as digits as its factorization.

13417969 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 13417969 is about 3663.0545996477. The cubic root of 13417969 is about 237.6268958073.

The spelling of 13417969 in words is "thirteen million, four hundred seventeen thousand, nine hundred sixty-nine".