12935791 has 4 divisors (see below), whose sum is σ = 14111784. Its totient is φ = 11759800.

The previous prime is 12935779. The next prime is 12935801. The reversal of 12935791 is 19753921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19753921 = 11 ⋅1795811.

It is a cyclic number.

It is not a de Polignac number, because 12935791 - 2¹⁷ = 12804719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12935791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12935731) 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 in 3 ways as a sum of consecutive naturals, for example, 587980 + ... + 588001.

It is an arithmetic number, because the mean of its divisors is an integer number (3527946).

Almost surely, 2^12935791 is an apocalyptic number.

12935791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12935791 is a deficient number, since it is larger than the sum of its proper divisors (1175993).

12935791 is a wasteful number, since it uses less digits than its factorization.

12935791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175992.

The product of its digits is 17010, while the sum is 37.

The square root of 12935791 is about 3596.6360672161. The cubic root of 12935791 is about 234.7457095433.

Adding to 12935791 its product of digits (17010), we get a square (12952801 = 3599²).

The spelling of 12935791 in words is "twelve million, nine hundred thirty-five thousand, seven hundred ninety-one".