18260712 has 48 divisors (see below), whose sum is σ = 51611040. Its totient is φ = 5821728.

The previous prime is 18260663. The next prime is 18260713. The reversal of 18260712 is 21706281.

It is not an unprimeable number, because it can be changed into a prime (18260713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3858 + ... + 7169.

It is an arithmetic number, because the mean of its divisors is an integer number (1075230).

Almost surely, 2^18260712 is an apocalyptic number.

18260712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18260712 is an abundant number, since it is smaller than the sum of its proper divisors (33350328).

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

18260712 is a wasteful number, since it uses less digits than its factorization.

18260712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062 (or 11055 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 18260712 is about 4273.2554335073. The cubic root of 18260712 is about 263.3333732130. Note that the first 4 decimals are identical.

Adding to 18260712 its reverse (21706281), we get a palindrome (39966993).

The spelling of 18260712 in words is "eighteen million, two hundred sixty thousand, seven hundred twelve".