12722707 has 2 divisors, whose sum is σ = 12722708. Its totient is φ = 12722706.

The previous prime is 12722693. The next prime is 12722729. The reversal of 12722707 is 70722721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12722707 is a prime.

It is not a weakly prime, because it can be changed into another prime (12722737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361353 + 6361354.

It is an arithmetic number, because the mean of its divisors is an integer number (6361354).

Almost surely, 2^12722707 is an apocalyptic number.

12722707 is a deficient number, since it is larger than the sum of its proper divisors (1).

12722707 is an equidigital number, since it uses as much as digits as its factorization.

12722707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 12722707 is about 3566.8903823919. The cubic root of 12722707 is about 233.4496220797.

The spelling of 12722707 in words is "twelve million, seven hundred twenty-two thousand, seven hundred seven".