13255623 has 8 divisors (see below), whose sum is σ = 19638000. Its totient is φ = 8837064.

The previous prime is 13255621. The next prime is 13255633. The reversal of 13255623 is 32655231.

13255623 is a `hidden beast` number, since 1 + 32 + 5 + 5 + 623 = 666.

13255623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13255623 - 2¹ = 13255621 is a prime.

It is a super-2 number, since 2×13255623² = 351423082236258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 490949 = 13255623 / (1 + 3 + 2 + 5 + 5 + 6 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245448 + ... + 245501.

It is an arithmetic number, because the mean of its divisors is an integer number (2454750).

Almost surely, 2^13255623 is an apocalyptic number.

13255623 is a deficient number, since it is larger than the sum of its proper divisors (6382377).

13255623 is an equidigital number, since it uses as much as digits as its factorization.

13255623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490958 (or 490952 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 13255623 is about 3640.8272411637. The cubic root of 13255623 is about 236.6646434617.

It can be divided in two parts, 132 and 55623, that added together give a palindrome (55755).

The spelling of 13255623 in words is "thirteen million, two hundred fifty-five thousand, six hundred twenty-three".