13116012 has 48 divisors (see below), whose sum is σ = 37669632. Its totient is φ = 3458880.

The previous prime is 13115981. The next prime is 13116017. The reversal of 13116012 is 21061131.

It is a junction number, because it is equal to n+sod(n) for n = 13115982 and 13116000.

It is not an unprimeable number, because it can be changed into a prime (13116017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4914 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (784784).

Almost surely, 2^13116012 is an apocalyptic number.

13116012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13116012 is an abundant number, since it is smaller than the sum of its proper divisors (24553620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13116012 is a wasteful number, since it uses less digits than its factorization.

13116012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038 (or 12036 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 13116012 is about 3621.6035122581. The cubic root of 13116012 is about 235.8308421063.

Adding to 13116012 its reverse (21061131), we get a palindrome (34177143).

The spelling of 13116012 in words is "thirteen million, one hundred sixteen thousand, twelve".