13995653 has 4 divisors (see below), whose sum is σ = 15995040. Its totient is φ = 11996268.

The previous prime is 13995643. The next prime is 13995679. The reversal of 13995653 is 35659931.

13995653 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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: 35659931 = 17 ⋅2097643.

It is a cyclic number.

It is not a de Polignac number, because 13995653 - 2⁶ = 13995589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13995643) 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, 999683 + ... + 999696.

It is an arithmetic number, because the mean of its divisors is an integer number (3998760).

Almost surely, 2^13995653 is an apocalyptic number.

It is an amenable number.

13995653 is a deficient number, since it is larger than the sum of its proper divisors (1999387).

13995653 is an equidigital number, since it uses as much as digits as its factorization.

13995653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999386.

The product of its digits is 109350, while the sum is 41.

The square root of 13995653 is about 3741.0764493659. The cubic root of 13995653 is about 240.9892788628.

The spelling of 13995653 in words is "thirteen million, nine hundred ninety-five thousand, six hundred fifty-three".