12031293 has 4 divisors (see below), whose sum is σ = 16041728. Its totient is φ = 8020860.

The previous prime is 12031289. The next prime is 12031297. The reversal of 12031293 is 39213021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39213021 = 3 ⋅13071007.

It is an interprime number because it is at equal distance from previous prime (12031289) and next prime (12031297).

It is not a de Polignac number, because 12031293 - 2² = 12031289 is a prime.

It is a super-2 number, since 2×12031293² = 289504022503698, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031297) 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, 2005213 + ... + 2005218.

It is an arithmetic number, because the mean of its divisors is an integer number (4010432).

Almost surely, 2^12031293 is an apocalyptic number.

It is an amenable number.

12031293 is a deficient number, since it is larger than the sum of its proper divisors (4010435).

12031293 is an equidigital number, since it uses as much as digits as its factorization.

12031293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010434.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12031293 is about 3468.6154298221. The cubic root of 12031293 is about 229.1416843437.

It can be divided in two parts, 120 and 31293, that added together give a palindrome (31413).

The spelling of 12031293 in words is "twelve million, thirty-one thousand, two hundred ninety-three".