13426897 has 8 divisors (see below), whose sum is σ = 14686560. Its totient is φ = 12173760.

The previous prime is 13426883. The next prime is 13426921. The reversal of 13426897 is 79862431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13426897 - 2²³ = 5038289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13426877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3354 + ... + 6172.

It is an arithmetic number, because the mean of its divisors is an integer number (1835820).

It is a vampire number, since it can be written as 2819 ⋅ 4763 (with its own digits).

Almost surely, 2^13426897 is an apocalyptic number.

It is an amenable number.

13426897 is a deficient number, since it is larger than the sum of its proper divisors (1259663).

13426897 is a wasteful number, since it uses less digits than its factorization.

13426897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 72576, while the sum is 40.

The square root of 13426897 is about 3664.2730520528. The cubic root of 13426897 is about 237.6795878990.

The spelling of 13426897 in words is "thirteen million, four hundred twenty-six thousand, eight hundred ninety-seven".