18514012 has 24 divisors (see below), whose sum is σ = 35546112. Its totient is φ = 8367600.

The previous prime is 18514009. The next prime is 18514039. The reversal of 18514012 is 21041581.

It is a super-2 number, since 2×18514012² = 685537280672288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7303 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (1481088).

Almost surely, 2^18514012 is an apocalyptic number.

It is an amenable number.

18514012 is a deficient number, since it is larger than the sum of its proper divisors (17032100).

18514012 is a wasteful number, since it uses less digits than its factorization.

18514012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18514012 is about 4302.7911871249. The cubic root of 18514012 is about 264.5453792969.

Adding to 18514012 its reverse (21041581), we get a palindrome (39555593).

The spelling of 18514012 in words is "eighteen million, five hundred fourteen thousand, twelve".