18012070 has 8 divisors (see below), whose sum is σ = 32421744. Its totient is φ = 7204824.

The previous prime is 18012067. The next prime is 18012073. The reversal of 18012070 is 7021081.

It is an interprime number because it is at equal distance from previous prime (18012067) and next prime (18012073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18012073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900594 + ... + 900613.

It is an arithmetic number, because the mean of its divisors is an integer number (4052718).

Almost surely, 2^18012070 is an apocalyptic number.

18012070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18012070 is a deficient number, since it is larger than the sum of its proper divisors (14409674).

18012070 is a wasteful number, since it uses less digits than its factorization.

18012070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801214.

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

The square root of 18012070 is about 4244.0629118805. The cubic root of 18012070 is about 262.1327047558.

The spelling of 18012070 in words is "eighteen million, twelve thousand, seventy".