12127072 has 24 divisors (see below), whose sum is σ = 24914736. Its totient is φ = 5799552.

The previous prime is 12127061. The next prime is 12127091. The reversal of 12127072 is 27072121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503 + ... + 8974.

It is an arithmetic number, because the mean of its divisors is an integer number (1038114).

Almost surely, 2^12127072 is an apocalyptic number.

It is an amenable number.

12127072 is an abundant number, since it is smaller than the sum of its proper divisors (12787664).

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

12127072 is a wasteful number, since it uses less digits than its factorization.

12127072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16510 (or 16502 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12127072 is about 3482.3945784474. The cubic root of 12127072 is about 229.7481300784.

Adding to 12127072 its reverse (27072121), we get a palindrome (39199193).

The spelling of 12127072 in words is "twelve million, one hundred twenty-seven thousand, seventy-two".