12127056 has 40 divisors (see below), whose sum is σ = 31453344. Its totient is φ = 4026240.

The previous prime is 12127043. The next prime is 12127057. The reversal of 12127056 is 65072121.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22146 + ... + 22686.

Almost surely, 2^12127056 is an apocalyptic number.

12127056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12127056 is an abundant number, since it is smaller than the sum of its proper divisors (19326288).

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

12127056 is a wasteful number, since it uses less digits than its factorization.

12127056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12127056 is about 3482.3922811768. The cubic root of 12127056 is about 229.7480290380.

Adding to 12127056 its reverse (65072121), we get a palindrome (77199177).

The spelling of 12127056 in words is "twelve million, one hundred twenty-seven thousand, fifty-six".