18070012 has 12 divisors (see below), whose sum is σ = 32394096. Its totient is φ = 8814560.

The previous prime is 18070001. The next prime is 18070027. The reversal of 18070012 is 21007081.

It is a congruent number.

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, 54928 + ... + 55255.

It is an arithmetic number, because the mean of its divisors is an integer number (2699508).

Almost surely, 2^18070012 is an apocalyptic number.

It is an amenable number.

18070012 is a deficient number, since it is larger than the sum of its proper divisors (14324084).

18070012 is a wasteful number, since it uses less digits than its factorization.

18070012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110228 (or 110226 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 18070012 is about 4250.8836728379. The cubic root of 18070012 is about 262.4134838091.

Adding to 18070012 its reverse (21007081), we get a palindrome (39077093).

The spelling of 18070012 in words is "eighteen million, seventy thousand, twelve".