12351407 has 2 divisors, whose sum is σ = 12351408. Its totient is φ = 12351406.

The previous prime is 12351379. The next prime is 12351431. The reversal of 12351407 is 70415321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12351407 - 2⁶ = 12351343 is a prime.

It is a Chen 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, 6175703 + 6175704.

It is an arithmetic number, because the mean of its divisors is an integer number (6175704).

Almost surely, 2^12351407 is an apocalyptic number.

12351407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351407 is an equidigital number, since it uses as much as digits as its factorization.

12351407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12351407 is about 3514.4568570406. The cubic root of 12351407 is about 231.1561633403.

Adding to 12351407 its reverse (70415321), we get a palindrome (82766728).

The spelling of 12351407 in words is "twelve million, three hundred fifty-one thousand, four hundred seven".