13626253 has 6 divisors (see below), whose sum is σ = 13820874. Its totient is φ = 13434336.

The previous prime is 13626251. The next prime is 13626257. The reversal of 13626253 is 35262631.

It can be written as a sum of positive squares in 3 ways, for example, as 2316484 + 11309769 = 1522^2 + 3363^2 .

It is not a de Polignac number, because 13626253 - 2¹ = 13626251 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 (13626251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4051 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (2303479).

Almost surely, 2^13626253 is an apocalyptic number.

It is an amenable number.

13626253 is a deficient number, since it is larger than the sum of its proper divisors (194621).

13626253 is an frugal number, since it uses more digits than its factorization.

13626253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2630 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 13626253 is about 3691.3754888930. The cubic root of 13626253 is about 238.8501304185.

Adding to 13626253 its reverse (35262631), we get a palindrome (48888884).

The spelling of 13626253 in words is "thirteen million, six hundred twenty-six thousand, two hundred fifty-three".