12071807 has 6 divisors (see below), whose sum is σ = 13269144. Its totient is φ = 10974260.

The previous prime is 12071797. The next prime is 12071827. The reversal of 12071807 is 70817021.

It is not a de Polignac number, because 12071807 - 2¹⁰ = 12070783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071827) 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, 49763 + ... + 50004.

It is an arithmetic number, because the mean of its divisors is an integer number (2211524).

Almost surely, 2^12071807 is an apocalyptic number.

12071807 is a deficient number, since it is larger than the sum of its proper divisors (1197337).

12071807 is an equidigital number, since it uses as much as digits as its factorization.

12071807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99789 (or 99778 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 12071807 is about 3474.4506040524. The cubic root of 12071807 is about 229.3985989673.

Adding to 12071807 its reverse (70817021), we get a palindrome (82888828).

The spelling of 12071807 in words is "twelve million, seventy-one thousand, eight hundred seven".