13796647 has 4 divisors (see below), whose sum is σ = 13821136. Its totient is φ = 13772160.

The previous prime is 13796633. The next prime is 13796659. The reversal of 13796647 is 74669731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13796647 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 (13796617) 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, 11379 + ... + 12532.

It is an arithmetic number, because the mean of its divisors is an integer number (3455284).

Almost surely, 2^13796647 is an apocalyptic number.

13796647 is a deficient number, since it is larger than the sum of its proper divisors (24489).

13796647 is an equidigital number, since it uses as much as digits as its factorization.

13796647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24488.

The product of its digits is 190512, while the sum is 43.

The square root of 13796647 is about 3714.3837981555. The cubic root of 13796647 is about 239.8416026584.

The spelling of 13796647 in words is "thirteen million, seven hundred ninety-six thousand, six hundred forty-seven".