12255133 has 16 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 10465200.

The previous prime is 12255121. The next prime is 12255143. The reversal of 12255133 is 33155221.

It is not a de Polignac number, because 12255133 - 2¹⁷ = 12124061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39766 + ... + 40072.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^12255133 is an apocalyptic number.

It is an amenable number.

12255133 is a deficient number, since it is larger than the sum of its proper divisors (1937507).

12255133 is a wasteful number, since it uses less digits than its factorization.

12255133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its digits is 900, while the sum is 22.

The square root of 12255133 is about 3500.7332089150. The cubic root of 12255133 is about 230.5540078884.

It can be divided in two parts, 12255 and 133, that multiplied together give a triangular number (1629915 = T₁₈₀₅).

The spelling of 12255133 in words is "twelve million, two hundred fifty-five thousand, one hundred thirty-three".