12451712 has 64 divisors (see below), whose sum is σ = 30559200. Its totient is φ = 4921344.

The previous prime is 12451711. The next prime is 12451727. The reversal of 12451712 is 21715421.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451711) 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, 11114 + ... + 12182.

Almost surely, 2^12451712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12451712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15279600).

12451712 is an abundant number, since it is smaller than the sum of its proper divisors (18107488).

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

12451712 is a wasteful number, since it uses less digits than its factorization.

12451712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1091 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 12451712 is about 3528.6983435822. The cubic root of 12451712 is about 231.7802119817.

The spelling of 12451712 in words is "twelve million, four hundred fifty-one thousand, seven hundred twelve".