12069231 has 16 divisors (see below), whose sum is σ = 16423680. Its totient is φ = 7882560.

The previous prime is 12069229. The next prime is 12069263. The reversal of 12069231 is 13296021.

It is not a de Polignac number, because 12069231 - 2¹ = 12069229 is a prime.

It is a super-2 number, since 2×12069231² = 291332673862722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12069331) 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 15 ways as a sum of consecutive naturals, for example, 42811 + ... + 43091.

It is an arithmetic number, because the mean of its divisors is an integer number (1026480).

Almost surely, 2^12069231 is an apocalyptic number.

12069231 is a deficient number, since it is larger than the sum of its proper divisors (4354449).

12069231 is a wasteful number, since it uses less digits than its factorization.

12069231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12069231 is about 3474.0798781836. The cubic root of 12069231 is about 229.3822807025.

The spelling of 12069231 in words is "twelve million, sixty-nine thousand, two hundred thirty-one".