12855011 has 8 divisors (see below), whose sum is σ = 13893264. Its totient is φ = 11823840.

The previous prime is 12854971. The next prime is 12855013. The reversal of 12855011 is 11055821.

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 12855011 - 2¹⁴ = 12838627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12855013) 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, 2381 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (1736658).

Almost surely, 2^12855011 is an apocalyptic number.

12855011 is a deficient number, since it is larger than the sum of its proper divisors (1038253).

12855011 is a wasteful number, since it uses less digits than its factorization.

12855011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 12855011 is about 3585.3885424037. The cubic root of 12855011 is about 234.2560508356.

The spelling of 12855011 in words is "twelve million, eight hundred fifty-five thousand, eleven".