12069321 has 16 divisors (see below), whose sum is σ = 17614848. Its totient is φ = 7290000.

The previous prime is 12069311. The next prime is 12069331. The reversal of 12069321 is 12396021.

It is an interprime number because it is at equal distance from previous prime (12069311) and next prime (12069331).

It is not a de Polignac number, because 12069321 - 2⁷ = 12069193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12069291 and 12069300.

It is not an unprimeable number, because it can be changed into a prime (12069311) 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 15 ways as a sum of consecutive naturals, for example, 15696 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (1100928).

Almost surely, 2^12069321 is an apocalyptic number.

12069321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12069321 is a deficient number, since it is larger than the sum of its proper divisors (5545527).

12069321 is a wasteful number, since it uses less digits than its factorization.

12069321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

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

The square root of 12069321 is about 3474.0928312295. The cubic root of 12069321 is about 229.3828508674.

The spelling of 12069321 in words is "twelve million, sixty-nine thousand, three hundred twenty-one".