12255444 has 18 divisors (see below), whose sum is σ = 30979130. Its totient is φ = 4085136.

The previous prime is 12255431. The next prime is 12255457. The reversal of 12255444 is 44455221.

It is an interprime number because it is at equal distance from previous prime (12255431) and next prime (12255457).

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 435600 = 3438^2 + 660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170179 + ... + 170250.

Almost surely, 2^12255444 is an apocalyptic number.

It is an amenable number.

12255444 is an abundant number, since it is smaller than the sum of its proper divisors (18723686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12255444 is a wasteful number, since it uses less digits than its factorization.

12255444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340439 (or 340434 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 12255444 is about 3500.7776278993. Note that the first 3 decimals coincide. The cubic root of 12255444 is about 230.5559581376. Note that the first 3 decimals are identical.

The spelling of 12255444 in words is "twelve million, two hundred fifty-five thousand, four hundred forty-four".