13516897 has 2 divisors, whose sum is σ = 13516898. Its totient is φ = 13516896.

The previous prime is 13516891. The next prime is 13516907. The reversal of 13516897 is 79861531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 274576 = 3639^2 + 524^2 .

It is an emirp because it is prime and its reverse (79861531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13516897 - 2³ = 13516889 is a prime.

It is not a weakly prime, because it can be changed into another prime (13516891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6758448 + 6758449.

It is an arithmetic number, because the mean of its divisors is an integer number (6758449).

Almost surely, 2^13516897 is an apocalyptic number.

It is an amenable number.

13516897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13516897 is an equidigital number, since it uses as much as digits as its factorization.

13516897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 13516897 is about 3676.5332855830. The cubic root of 13516897 is about 238.2094582871.

The spelling of 13516897 in words is "thirteen million, five hundred sixteen thousand, eight hundred ninety-seven".