12735807 has 24 divisors (see below), whose sum is σ = 19990656. Its totient is φ = 7064928.

The previous prime is 12735787. The next prime is 12735841. The reversal of 12735807 is 70853721.

It is not a de Polignac number, because 12735807 - 2⁶ = 12735743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735007) 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 23 ways as a sum of consecutive naturals, for example, 28528 + ... + 28970.

It is an arithmetic number, because the mean of its divisors is an integer number (832944).

Almost surely, 2^12735807 is an apocalyptic number.

12735807 is a deficient number, since it is larger than the sum of its proper divisors (7254849).

12735807 is an equidigital number, since it uses as much as digits as its factorization.

12735807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 12735807 is about 3568.7262433535. The cubic root of 12735807 is about 233.5297187924.

The spelling of 12735807 in words is "twelve million, seven hundred thirty-five thousand, eight hundred seven".