13812797 has 2 divisors, whose sum is σ = 13812798. Its totient is φ = 13812796.

The previous prime is 13812793. The next prime is 13812809. The reversal of 13812797 is 79721831.

13812797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 606841 = 3634^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 13812797 - 2² = 13812793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13812797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13812793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6906398 + 6906399.

It is an arithmetic number, because the mean of its divisors is an integer number (6906399).

Almost surely, 2^13812797 is an apocalyptic number.

It is an amenable number.

13812797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13812797 is an equidigital number, since it uses as much as digits as its factorization.

13812797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 13812797 is about 3716.5571433788. The cubic root of 13812797 is about 239.9351503028.

The spelling of 13812797 in words is "thirteen million, eight hundred twelve thousand, seven hundred ninety-seven".