12907943 has 2 divisors, whose sum is σ = 12907944. Its totient is φ = 12907942.

The previous prime is 12907927. The next prime is 12907949. The reversal of 12907943 is 34970921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12907943 - 2⁴ = 12907927 is a prime.

It is a super-2 number, since 2×12907943² = 333229984982498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12907949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453971 + 6453972.

It is an arithmetic number, because the mean of its divisors is an integer number (6453972).

Almost surely, 2^12907943 is an apocalyptic number.

12907943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907943 is an equidigital number, since it uses as much as digits as its factorization.

12907943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12907943 is about 3592.7625860889. The cubic root of 12907943 is about 234.5771360301.

The spelling of 12907943 in words is "twelve million, nine hundred seven thousand, nine hundred forty-three".