13936693 has 4 divisors (see below), whose sum is σ = 13947328. Its totient is φ = 13926060.

The previous prime is 13936691. The next prime is 13936729. The reversal of 13936693 is 39663931.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13936693 - 2¹ = 13936691 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 (13936691) 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, 3021 + ... + 6082.

It is an arithmetic number, because the mean of its divisors is an integer number (3486832).

Almost surely, 2^13936693 is an apocalyptic number.

It is an amenable number.

13936693 is a deficient number, since it is larger than the sum of its proper divisors (10635).

13936693 is an equidigital number, since it uses as much as digits as its factorization.

13936693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634.

The product of its digits is 78732, while the sum is 40.

The square root of 13936693 is about 3733.1880477683. The cubic root of 13936693 is about 240.6503944189.

The spelling of 13936693 in words is "thirteen million, nine hundred thirty-six thousand, six hundred ninety-three".