12810755 has 8 divisors (see below), whose sum is σ = 15392592. Its totient is φ = 10235488.

The previous prime is 12810727. The next prime is 12810757. The reversal of 12810755 is 55701821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12810755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12810757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (1924074).

Almost surely, 2^12810755 is an apocalyptic number.

12810755 is a deficient number, since it is larger than the sum of its proper divisors (2581837).

12810755 is a wasteful number, since it uses less digits than its factorization.

12810755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 12810755 is about 3579.2115053458. The cubic root of 12810755 is about 233.9869169884.

The spelling of 12810755 in words is "twelve million, eight hundred ten thousand, seven hundred fifty-five".