12031514 has 24 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 5393960.

The previous prime is 12031493. The next prime is 12031517. The reversal of 12031514 is 41513021.

It is a junction number, because it is equal to n+sod(n) for n = 12031492 and 12031501.

It is not an unprimeable number, because it can be changed into a prime (12031517) 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 11 ways as a sum of consecutive naturals, for example, 19787 + ... + 20385.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^12031514 is an apocalyptic number.

12031514 is a deficient number, since it is larger than the sum of its proper divisors (8078086).

12031514 is a wasteful number, since it uses less digits than its factorization.

12031514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12031514 is about 3468.6472867676. The cubic root of 12031514 is about 229.1430873517.

Adding to 12031514 its reverse (41513021), we get a palindrome (53544535).

The spelling of 12031514 in words is "twelve million, thirty-one thousand, five hundred fourteen".