13255533 has 6 divisors (see below), whose sum is σ = 19146894. Its totient is φ = 8837016.

The previous prime is 13255531. The next prime is 13255537. The reversal of 13255533 is 33555231.

13255533 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12299049 + 956484 = 3507^2 + 978^2 .

It is not a de Polignac number, because 13255533 - 2¹ = 13255531 is a prime.

It is a super-2 number, since 2×13255533² = 351418310228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13255497 and 13255506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255531) 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, 736410 + ... + 736427.

It is an arithmetic number, because the mean of its divisors is an integer number (3191149).

Almost surely, 2^13255533 is an apocalyptic number.

It is an amenable number.

13255533 is a deficient number, since it is larger than the sum of its proper divisors (5891361).

13255533 is a wasteful number, since it uses less digits than its factorization.

13255533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472843 (or 1472840 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 13255533 is about 3640.8148813143. The cubic root of 13255533 is about 236.6641078433.

The spelling of 13255533 in words is "thirteen million, two hundred fifty-five thousand, five hundred thirty-three".