13629653 has 4 divisors (see below), whose sum is σ = 13998060. Its totient is φ = 13261248.

The previous prime is 13629619. The next prime is 13629659. The reversal of 13629653 is 35692631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7879249 + 5750404 = 2807^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 13629653 - 2⁸ = 13629397 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 (13629659) 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, 184148 + ... + 184221.

It is an arithmetic number, because the mean of its divisors is an integer number (3499515).

Almost surely, 2^13629653 is an apocalyptic number.

It is an amenable number.

13629653 is a deficient number, since it is larger than the sum of its proper divisors (368407).

13629653 is an equidigital number, since it uses as much as digits as its factorization.

13629653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368406.

The product of its digits is 29160, while the sum is 35.

The square root of 13629653 is about 3691.8359931070. The cubic root of 13629653 is about 238.8699945956.

The spelling of 13629653 in words is "thirteen million, six hundred twenty-nine thousand, six hundred fifty-three".