13893653 has 4 divisors (see below), whose sum is σ = 13901580. Its totient is φ = 13885728.

The previous prime is 13893647. The next prime is 13893667. The reversal of 13893653 is 35639831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6265009 + 7628644 = 2503^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 13893653 - 2⁴ = 13893637 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 (13893613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (3475395).

Almost surely, 2^13893653 is an apocalyptic number.

It is an amenable number.

13893653 is a deficient number, since it is larger than the sum of its proper divisors (7927).

13893653 is an equidigital number, since it uses as much as digits as its factorization.

13893653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926.

The product of its digits is 58320, while the sum is 38.

The square root of 13893653 is about 3727.4190802753. The cubic root of 13893653 is about 240.4024093915.

The spelling of 13893653 in words is "thirteen million, eight hundred ninety-three thousand, six hundred fifty-three".