12155067 has 6 divisors (see below), whose sum is σ = 17557332. Its totient is φ = 8103372.

The previous prime is 12155057. The next prime is 12155081. The reversal of 12155067 is 76055121.

It is not a de Polignac number, because 12155067 - 2¹¹ = 12153019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12155067.

It is not an unprimeable number, because it can be changed into a prime (12155057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675273 + ... + 675290.

It is an arithmetic number, because the mean of its divisors is an integer number (2926222).

Almost surely, 2^12155067 is an apocalyptic number.

12155067 is a deficient number, since it is larger than the sum of its proper divisors (5402265).

12155067 is a wasteful number, since it uses less digits than its factorization.

12155067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350569 (or 1350566 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 12155067 is about 3486.4117656984. The cubic root of 12155067 is about 229.9247832181.

The spelling of 12155067 in words is "twelve million, one hundred fifty-five thousand, sixty-seven".