12662256 has 40 divisors (see below), whose sum is σ = 32946304. Its totient is φ = 4190400.

The previous prime is 12662239. The next prime is 12662257. The reversal of 12662256 is 65226621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6375 + ... + 8121.

Almost surely, 2^12662256 is an apocalyptic number.

12662256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12662256 is an abundant number, since it is smaller than the sum of its proper divisors (20284048).

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

12662256 is a wasteful number, since it uses less digits than its factorization.

12662256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1903 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 12662256 is about 3558.4063848864. The cubic root of 12662256 is about 233.0792954027.

Adding to 12662256 its reverse (65226621), we get a palindrome (77888877).

The spelling of 12662256 in words is "twelve million, six hundred sixty-two thousand, two hundred fifty-six".