12983855 has 8 divisors (see below), whose sum is σ = 16001952. Its totient is φ = 10106208.

The previous prime is 12983849. The next prime is 12983857. The reversal of 12983855 is 55838921.

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

It is a cyclic number.

It is not a de Polignac number, because 12983855 - 2⁶ = 12983791 is a prime.

It is a super-2 number, since 2×12983855² = 337160981322050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983857) 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 7 ways as a sum of consecutive naturals, for example, 34907 + ... + 35276.

It is an arithmetic number, because the mean of its divisors is an integer number (2000244).

Almost surely, 2^12983855 is an apocalyptic number.

12983855 is a deficient number, since it is larger than the sum of its proper divisors (3018097).

12983855 is an equidigital number, since it uses as much as digits as its factorization.

12983855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70225.

The product of its digits is 86400, while the sum is 41.

The square root of 12983855 is about 3603.3116712269. The cubic root of 12983855 is about 235.0360892213.

The spelling of 12983855 in words is "twelve million, nine hundred eighty-three thousand, eight hundred fifty-five".