13572697 has 2 divisors, whose sum is σ = 13572698. Its totient is φ = 13572696.

The previous prime is 13572679. The next prime is 13572703. The reversal of 13572697 is 79627531.

Together with previous prime (13572679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 841 = 3684^2 + 29^2 .

It is an emirp because it is prime and its reverse (79627531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13572697 - 2⁷ = 13572569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13572607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6786348 + 6786349.

It is an arithmetic number, because the mean of its divisors is an integer number (6786349).

Almost surely, 2^13572697 is an apocalyptic number.

It is an amenable number.

13572697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13572697 is an equidigital number, since it uses as much as digits as its factorization.

13572697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 13572697 is about 3684.1141404685. The cubic root of 13572697 is about 238.5367976895.

The spelling of 13572697 in words is "thirteen million, five hundred seventy-two thousand, six hundred ninety-seven".