12706031 has 8 divisors (see below), whose sum is σ = 14155680. Its totient is φ = 11323872.

The previous prime is 12706009. The next prime is 12706033. The reversal of 12706031 is 13060721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12706031 - 2¹⁸ = 12443887 is a prime.

It is a super-2 number, since 2×12706031² = 322886447545922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12705994 and 12706012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16475 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (1769460).

Almost surely, 2^12706031 is an apocalyptic number.

12706031 is a deficient number, since it is larger than the sum of its proper divisors (1449649).

12706031 is a wasteful number, since it uses less digits than its factorization.

12706031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33745.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 12706031 is about 3564.5520055121. The cubic root of 12706031 is about 233.3475812161.

Adding to 12706031 its reverse (13060721), we get a palindrome (25766752).

The spelling of 12706031 in words is "twelve million, seven hundred six thousand, thirty-one".