12519697 has 2 divisors, whose sum is σ = 12519698. Its totient is φ = 12519696.

The previous prime is 12519673. The next prime is 12519721. The reversal of 12519697 is 79691521.

It is a balanced prime because it is at equal distance from previous prime (12519673) and next prime (12519721).

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 1290496 = 3351^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 12519697 - 2²³ = 4131089 is a prime.

It is not a weakly prime, because it can be changed into another prime (10519697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259848 + 6259849.

It is an arithmetic number, because the mean of its divisors is an integer number (6259849).

Almost surely, 2^12519697 is an apocalyptic number.

It is an amenable number.

12519697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12519697 is an equidigital number, since it uses as much as digits as its factorization.

12519697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 12519697 is about 3538.3183859003. The cubic root of 12519697 is about 232.2012782083.

The spelling of 12519697 in words is "twelve million, five hundred nineteen thousand, six hundred ninety-seven".