12816735 has 16 divisors (see below), whose sum is σ = 21586560. Its totient is φ = 6475680.

The previous prime is 12816731. The next prime is 12816737. The reversal of 12816735 is 53761821.

It is not a de Polignac number, because 12816735 - 2² = 12816731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12816696 and 12816705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816731) 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 15 ways as a sum of consecutive naturals, for example, 22201 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (1349160).

Almost surely, 2^12816735 is an apocalyptic number.

12816735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12816735 is a deficient number, since it is larger than the sum of its proper divisors (8769825).

12816735 is a wasteful number, since it uses less digits than its factorization.

12816735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44998.

The product of its digits is 10080, while the sum is 33.

The square root of 12816735 is about 3580.0467874038. The cubic root of 12816735 is about 234.0233193211.

The spelling of 12816735 in words is "twelve million, eight hundred sixteen thousand, seven hundred thirty-five".