12008718 has 24 divisors (see below), whose sum is σ = 26859456. Its totient is φ = 3873600.

The previous prime is 12008713. The next prime is 12008729. The reversal of 12008718 is 81780021.

It is a junction number, because it is equal to n+sod(n) for n = 12008691 and 12008700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10203 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (1119144).

Almost surely, 2^12008718 is an apocalyptic number.

12008718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12008718 is an abundant number, since it is smaller than the sum of its proper divisors (14850738).

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

12008718 is a wasteful number, since it uses less digits than its factorization.

12008718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21560 (or 21557 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12008718 is about 3465.3597215874. The cubic root of 12008718 is about 228.9982774163.

Adding to 12008718 its reverse (81780021), we get a palindrome (93788739).

The spelling of 12008718 in words is "twelve million, eight thousand, seven hundred eighteen".