13026897 has 12 divisors (see below), whose sum is σ = 20264244. Its totient is φ = 8016480.

The previous prime is 13026883. The next prime is 13026911. The reversal of 13026897 is 79862031.

It is an interprime number because it is at equal distance from previous prime (13026883) and next prime (13026911).

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 12173121 = 924^2 + 3489^2 .

It is not a de Polignac number, because 13026897 - 2⁶ = 13026833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13022897) 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 11 ways as a sum of consecutive naturals, for example, 55554 + ... + 55787.

It is an arithmetic number, because the mean of its divisors is an integer number (1688687).

Almost surely, 2^13026897 is an apocalyptic number.

It is an amenable number.

13026897 is a deficient number, since it is larger than the sum of its proper divisors (7237347).

13026897 is a wasteful number, since it uses less digits than its factorization.

13026897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111360 (or 111357 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13026897 is about 3609.2792909388. The cubic root of 13026897 is about 235.2955207772.

The spelling of 13026897 in words is "thirteen million, twenty-six thousand, eight hundred ninety-seven".