12031707 has 4 divisors (see below), whose sum is σ = 16042280. Its totient is φ = 8021136.

The previous prime is 12031703. The next prime is 12031711. The reversal of 12031707 is 70713021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70713021 = 3 ⋅23571007.

It is an interprime number because it is at equal distance from previous prime (12031703) and next prime (12031711).

It is not a de Polignac number, because 12031707 - 2² = 12031703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031703) 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, 2005282 + ... + 2005287.

It is an arithmetic number, because the mean of its divisors is an integer number (4010570).

Almost surely, 2^12031707 is an apocalyptic number.

12031707 is a deficient number, since it is larger than the sum of its proper divisors (4010573).

12031707 is an equidigital number, since it uses as much as digits as its factorization.

12031707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010572.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 12031707 is about 3468.6751072996. The cubic root of 12031707 is about 229.1443125891.

Adding to 12031707 its reverse (70713021), we get a palindrome (82744728).

The spelling of 12031707 in words is "twelve million, thirty-one thousand, seven hundred seven".