12867123 has 18 divisors (see below), whose sum is σ = 18274284. Its totient is φ = 8052048.

The previous prime is 12867103. The next prime is 12867131. The reversal of 12867123 is 32176821.

It is not a de Polignac number, because 12867123 - 2⁶ = 12867059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12867103) 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 17 ways as a sum of consecutive naturals, for example, 117993 + ... + 118101.

It is an arithmetic number, because the mean of its divisors is an integer number (1015238).

Almost surely, 2^12867123 is an apocalyptic number.

12867123 is a deficient number, since it is larger than the sum of its proper divisors (5407161).

12867123 is an equidigital number, since it uses as much as digits as its factorization.

12867123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 131 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12867123 is about 3587.0772224751. The cubic root of 12867123 is about 234.3295998107.

The spelling of 12867123 in words is "twelve million, eight hundred sixty-seven thousand, one hundred twenty-three".