13207693 has 2 divisors, whose sum is σ = 13207694. Its totient is φ = 13207692.

The previous prime is 13207687. The next prime is 13207697. The reversal of 13207693 is 39670231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 233289 = 3602^2 + 483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13207693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13207697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603846 + 6603847.

It is an arithmetic number, because the mean of its divisors is an integer number (6603847).

Almost surely, 2^13207693 is an apocalyptic number.

It is an amenable number.

13207693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13207693 is an equidigital number, since it uses as much as digits as its factorization.

13207693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 13207693 is about 3634.2389849871. The cubic root of 13207693 is about 236.3790530692.

The spelling of 13207693 in words is "thirteen million, two hundred seven thousand, six hundred ninety-three".