13026625 has 24 divisors (see below), whose sum is σ = 17081064. Its totient is φ = 9917600.

The previous prime is 13026617. The next prime is 13026659. The reversal of 13026625 is 52662031.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 12873744 = 391^2 + 3588^2 .

It is not a de Polignac number, because 13026625 - 2³ = 13026617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 13026625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66027 + ... + 66223.

It is an arithmetic number, because the mean of its divisors is an integer number (711711).

Almost surely, 2^13026625 is an apocalyptic number.

It is an amenable number.

13026625 is a deficient number, since it is larger than the sum of its proper divisors (4054439).

13026625 is an equidigital number, since it uses as much as digits as its factorization.

13026625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13026625 is about 3609.2416100893. The cubic root of 13026625 is about 235.2938831186.

Adding to 13026625 its reverse (52662031), we get a palindrome (65688656).

The spelling of 13026625 in words is "thirteen million, twenty-six thousand, six hundred twenty-five".