12819407 has 2 divisors, whose sum is σ = 12819408. Its totient is φ = 12819406.

The previous prime is 12819403. The next prime is 12819413. The reversal of 12819407 is 70491821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12819407 - 2² = 12819403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12819403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409703 + 6409704.

It is an arithmetic number, because the mean of its divisors is an integer number (6409704).

Almost surely, 2^12819407 is an apocalyptic number.

12819407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12819407 is an equidigital number, since it uses as much as digits as its factorization.

12819407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12819407 is about 3580.4199474363. The cubic root of 12819407 is about 234.0395810513.

The spelling of 12819407 in words is "twelve million, eight hundred nineteen thousand, four hundred seven".