12797535 has 16 divisors (see below), whose sum is σ = 20976480. Its totient is φ = 6658560.

The previous prime is 12797527. The next prime is 12797563. The reversal of 12797535 is 53579721.

It is not a de Polignac number, because 12797535 - 2³ = 12797527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12797493 and 12797502.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9790 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (1311030).

Almost surely, 2^12797535 is an apocalyptic number.

12797535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12797535 is a deficient number, since it is larger than the sum of its proper divisors (8178945).

12797535 is a wasteful number, since it uses less digits than its factorization.

12797535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20858.

The product of its digits is 66150, while the sum is 39.

The square root of 12797535 is about 3577.3642531898. The cubic root of 12797535 is about 233.9064020436.

The spelling of 12797535 in words is "twelve million, seven hundred ninety-seven thousand, five hundred thirty-five".