12351967 has 2 divisors, whose sum is σ = 12351968. Its totient is φ = 12351966.

The previous prime is 12351959. The next prime is 12351971. The reversal of 12351967 is 76915321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12351967 - 2³ = 12351959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12351467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175983 + 6175984.

It is an arithmetic number, because the mean of its divisors is an integer number (6175984).

Almost surely, 2^12351967 is an apocalyptic number.

12351967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351967 is an equidigital number, since it uses as much as digits as its factorization.

12351967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 12351967 is about 3514.5365270545. The cubic root of 12351967 is about 231.1596567479.

The spelling of 12351967 in words is "twelve million, three hundred fifty-one thousand, nine hundred sixty-seven".