12331016 has 8 divisors (see below), whose sum is σ = 23120670. Its totient is φ = 6165504.

The previous prime is 12330991. The next prime is 12331049. The reversal of 12331016 is 61013321.

It can be written as a sum of positive squares in only one way, i.e., 6522916 + 5808100 = 2554^2 + 2410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12330985 and 12331003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770681 + ... + 770696.

Almost surely, 2^12331016 is an apocalyptic number.

It is an amenable number.

12331016 is a deficient number, since it is larger than the sum of its proper divisors (10789654).

12331016 is a wasteful number, since it uses less digits than its factorization.

12331016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541383 (or 1541379 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12331016 is about 3511.5546414658. The cubic root of 12331016 is about 231.0288876500.

Adding to 12331016 its reverse (61013321), we get a palindrome (73344337).

The spelling of 12331016 in words is "twelve million, three hundred thirty-one thousand, sixteen".