12935519 has 2 divisors, whose sum is σ = 12935520. Its totient is φ = 12935518.

The previous prime is 12935501. The next prime is 12935543. The reversal of 12935519 is 91553921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12935519 - 2¹² = 12931423 is a prime.

It is a super-2 number, since 2×12935519² = 334655303598722, which contains 22 as substring.

It is a Sophie Germain 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 (12935579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6467759 + 6467760.

It is an arithmetic number, because the mean of its divisors is an integer number (6467760).

Almost surely, 2^12935519 is an apocalyptic number.

12935519 is a deficient number, since it is larger than the sum of its proper divisors (1).

12935519 is an equidigital number, since it uses as much as digits as its factorization.

12935519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 35.

The square root of 12935519 is about 3596.5982539060. The cubic root of 12935519 is about 234.7440642044.

The spelling of 12935519 in words is "twelve million, nine hundred thirty-five thousand, five hundred nineteen".