12712747 has 8 divisors (see below), whose sum is σ = 13077792. Its totient is φ = 12350400.

The previous prime is 12712741. The next prime is 12712751. The reversal of 12712747 is 74721721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12712747 - 2⁷ = 12712619 is a prime.

It is a super-2 number, since 2×12712747² = 323227872572018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12712741) 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, 12253 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (1634724).

Almost surely, 2^12712747 is an apocalyptic number.

12712747 is a deficient number, since it is larger than the sum of its proper divisors (365045).

12712747 is an equidigital number, since it uses as much as digits as its factorization.

12712747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 5488, while the sum is 31.

The square root of 12712747 is about 3565.4939349268. The cubic root of 12712747 is about 233.3886873208.

The spelling of 12712747 in words is "twelve million, seven hundred twelve thousand, seven hundred forty-seven".