13112012 has 12 divisors (see below), whose sum is σ = 23093280. Its totient is φ = 6513936.

The previous prime is 13111961. The next prime is 13112051. The reversal of 13112012 is 21021131.

It is a junction number, because it is equal to n+sod(n) for n = 13111984 and 13112002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9812 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (1924440).

Almost surely, 2^13112012 is an apocalyptic number.

It is an amenable number.

13112012 is a deficient number, since it is larger than the sum of its proper divisors (9981268).

13112012 is a wasteful number, since it uses less digits than its factorization.

13112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040 (or 21038 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13112012 is about 3621.0512285799. The cubic root of 13112012 is about 235.8068658326.

Adding to 13112012 its reverse (21021131), we get a palindrome (34133143).

The spelling of 13112012 in words is "thirteen million, one hundred twelve thousand, twelve".