12539197514 has 8 divisors (see below), whose sum is σ = 18813087108. Its totient is φ = 6268168480.

The previous prime is 12539197513. The next prime is 12539197519. The reversal of 12539197514 is 41579193521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11757715489 + 781482025 = 108433^2 + 27955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12539197511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704147 + ... + 721734.

Almost surely, 2^12539197514 is an apocalyptic number.

12539197514 is a deficient number, since it is larger than the sum of its proper divisors (6273889594).

12539197514 is a wasteful number, since it uses less digits than its factorization.

12539197514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430280.

The product of its digits is 340200, while the sum is 47.

The spelling of 12539197514 in words is "twelve billion, five hundred thirty-nine million, one hundred ninety-seven thousand, five hundred fourteen".