13636797 has 4 divisors (see below), whose sum is σ = 18182400. Its totient is φ = 9091196.

The previous prime is 13636789. The next prime is 13636853. The reversal of 13636797 is 79763631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79763631 = 3 ⋅26587877.

It is a cyclic number.

It is not a de Polignac number, because 13636797 - 2³ = 13636789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272797 + ... + 2272802.

It is an arithmetic number, because the mean of its divisors is an integer number (4545600).

Almost surely, 2^13636797 is an apocalyptic number.

It is an amenable number.

13636797 is a deficient number, since it is larger than the sum of its proper divisors (4545603).

13636797 is an equidigital number, since it uses as much as digits as its factorization.

13636797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545602.

The product of its digits is 142884, while the sum is 42.

The square root of 13636797 is about 3692.8034066275. The cubic root of 13636797 is about 238.9117219767.

The spelling of 13636797 in words is "thirteen million, six hundred thirty-six thousand, seven hundred ninety-seven".