13757797 has 4 divisors (see below), whose sum is σ = 13991040. Its totient is φ = 13524556.

The previous prime is 13757773. The next prime is 13757819. The reversal of 13757797 is 79775731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13757797 - 2¹⁹ = 13233509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13757717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116533 + ... + 116650.

It is an arithmetic number, because the mean of its divisors is an integer number (3497760).

Almost surely, 2^13757797 is an apocalyptic number.

It is an amenable number.

13757797 is a deficient number, since it is larger than the sum of its proper divisors (233243).

13757797 is an equidigital number, since it uses as much as digits as its factorization.

13757797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233242.

The product of its digits is 324135, while the sum is 46.

The square root of 13757797 is about 3709.1504418128. The cubic root of 13757797 is about 239.6162675700.

The spelling of 13757797 in words is "thirteen million, seven hundred fifty-seven thousand, seven hundred ninety-seven".