12070931 has 4 divisors (see below), whose sum is σ = 12487200. Its totient is φ = 11654664.

The previous prime is 12070913. The next prime is 12070943. The reversal of 12070931 is 13907021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13907021 = 1289 ⋅10789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12070931 is a prime.

It is a super-4 number, since 4×12070931⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12070897 and 12070906.

It is not an unprimeable number, because it can be changed into a prime (12070951) 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, 208091 + ... + 208148.

It is an arithmetic number, because the mean of its divisors is an integer number (3121800).

Almost surely, 2^12070931 is an apocalyptic number.

12070931 is a deficient number, since it is larger than the sum of its proper divisors (416269).

12070931 is an equidigital number, since it uses as much as digits as its factorization.

12070931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416268.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12070931 is about 3474.3245386694. The cubic root of 12070931 is about 229.3930500042.

Adding to 12070931 its reverse (13907021), we get a palindrome (25977952).

The spelling of 12070931 in words is "twelve million, seventy thousand, nine hundred thirty-one".