12819755 has 16 divisors (see below), whose sum is σ = 16680384. Its totient is φ = 9402240.

The previous prime is 12819743. The next prime is 12819773. The reversal of 12819755 is 55791821.

It is not a de Polignac number, because 12819755 - 2⁴ = 12819739 is a prime.

It is a super-2 number, since 2×12819755² = 328692236520050, which contains 22 as substring.

It is a Duffinian 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, 10265 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (1042524).

Almost surely, 2^12819755 is an apocalyptic number.

12819755 is a deficient number, since it is larger than the sum of its proper divisors (3860629).

12819755 is a wasteful number, since it uses less digits than its factorization.

12819755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 25200, while the sum is 38.

The square root of 12819755 is about 3580.4685447578. The cubic root of 12819755 is about 234.0416988050.

The spelling of 12819755 in words is "twelve million, eight hundred nineteen thousand, seven hundred fifty-five".