13737697 has 2 divisors, whose sum is σ = 13737698. Its totient is φ = 13737696.

The previous prime is 13737679. The next prime is 13737707. The reversal of 13737697 is 79673731.

Together with previous prime (13737679) 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., 13184161 + 553536 = 3631^2 + 744^2 .

It is an emirp because it is prime and its reverse (79673731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13737697 - 2⁷ = 13737569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13737617) 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, 6868848 + 6868849.

It is an arithmetic number, because the mean of its divisors is an integer number (6868849).

Almost surely, 2^13737697 is an apocalyptic number.

It is an amenable number.

13737697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13737697 is an equidigital number, since it uses as much as digits as its factorization.

13737697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 43.

The square root of 13737697 is about 3706.4399361112. The cubic root of 13737697 is about 239.4995183937.

The spelling of 13737697 in words is "thirteen million, seven hundred thirty-seven thousand, six hundred ninety-seven".