12755224 has 8 divisors (see below), whose sum is σ = 23916060. Its totient is φ = 6377608.

The previous prime is 12755207. The next prime is 12755227. The reversal of 12755224 is 42255721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12755192 and 12755201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797194 + ... + 797209.

Almost surely, 2^12755224 is an apocalyptic number.

It is an amenable number.

12755224 is a deficient number, since it is larger than the sum of its proper divisors (11160836).

12755224 is a wasteful number, since it uses less digits than its factorization.

12755224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594409 (or 1594405 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 12755224 is about 3571.4456456735. The cubic root of 12755224 is about 233.6483382641.

The spelling of 12755224 in words is "twelve million, seven hundred fifty-five thousand, two hundred twenty-four".