12724712 has 96 divisors (see below), whose sum is σ = 32749920. Its totient is φ = 4556160.

The previous prime is 12724709. The next prime is 12724739. The reversal of 12724712 is 21742721.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55943 + ... + 56169.

It is an arithmetic number, because the mean of its divisors is an integer number (341145).

Almost surely, 2^12724712 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 12724712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16374960).

12724712 is an abundant number, since it is smaller than the sum of its proper divisors (20025208).

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

12724712 is a wasteful number, since it uses less digits than its factorization.

12724712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 260 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 12724712 is about 3567.1714284570. The cubic root of 12724712 is about 233.4618847192.

Subtracting 12724712 from its reverse (21742721), we obtain a square (9018009 = 3003²).

The spelling of 12724712 in words is "twelve million, seven hundred twenty-four thousand, seven hundred twelve".