13368969 has 10 divisors (see below), whose sum is σ = 19971050. Its totient is φ = 8912592.

The previous prime is 13368947. The next prime is 13368991. The reversal of 13368969 is 96986331.

It is an interprime number because it is at equal distance from previous prime (13368947) and next prime (13368991).

It can be written as a sum of positive squares in only one way, i.e., 13286025 + 82944 = 3645^2 + 288^2 .

It is not a de Polignac number, because 13368969 - 2⁵ = 13368937 is a prime.

It is a super-2 number, since 2×13368969² = 357458664245922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13368169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82444 + ... + 82605.

It is an arithmetic number, because the mean of its divisors is an integer number (1997105).

Almost surely, 2^13368969 is an apocalyptic number.

It is an amenable number.

13368969 is a deficient number, since it is larger than the sum of its proper divisors (6602081).

13368969 is an equidigital number, since it uses as much as digits as its factorization.

13368969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165061 (or 165052 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 13368969 is about 3656.3600752661. The cubic root of 13368969 is about 237.3372861477.

The spelling of 13368969 in words is "thirteen million, three hundred sixty-eight thousand, nine hundred sixty-nine".