12251256 has 32 divisors (see below), whose sum is σ = 30722640. Its totient is φ = 4071168.

The previous prime is 12251207. The next prime is 12251269. The reversal of 12251256 is 65215221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10410 + ... + 11526.

Almost surely, 2^12251256 is an apocalyptic number.

It is an amenable number.

12251256 is an abundant number, since it is smaller than the sum of its proper divisors (18471384).

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

12251256 is a wasteful number, since it uses less digits than its factorization.

12251256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1579 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 12251256 is about 3500.1794239724. The cubic root of 12251256 is about 230.5296928479.

Adding to 12251256 its reverse (65215221), we get a palindrome (77466477).

The spelling of 12251256 in words is "twelve million, two hundred fifty-one thousand, two hundred fifty-six".