12069247 has 4 divisors (see below), whose sum is σ = 12081240. Its totient is φ = 12057256.

The previous prime is 12069229. The next prime is 12069263. The reversal of 12069247 is 74296021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12069247 - 2⁷ = 12069119 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12069287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4333 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (3020310).

Almost surely, 2^12069247 is an apocalyptic number.

12069247 is a deficient number, since it is larger than the sum of its proper divisors (11993).

12069247 is a wasteful number, since it uses less digits than its factorization.

12069247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12069247 is about 3474.0821809508. The cubic root of 12069247 is about 229.3823820654.

The spelling of 12069247 in words is "twelve million, sixty-nine thousand, two hundred forty-seven".