12726407 has 2 divisors, whose sum is σ = 12726408. Its totient is φ = 12726406.

The previous prime is 12726391. The next prime is 12726433. The reversal of 12726407 is 70462721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12726407 - 2⁴ = 12726391 is a prime.

It is a super-2 number, since 2×12726407² = 323922870259298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12726407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12726437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363203 + 6363204.

It is an arithmetic number, because the mean of its divisors is an integer number (6363204).

Almost surely, 2^12726407 is an apocalyptic number.

12726407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12726407 is an equidigital number, since it uses as much as digits as its factorization.

12726407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12726407 is about 3567.4090037449. The cubic root of 12726407 is about 233.4722503847.

The spelling of 12726407 in words is "twelve million, seven hundred twenty-six thousand, four hundred seven".