12411918 has 12 divisors (see below), whose sum is σ = 26892528. Its totient is φ = 4137300.

The previous prime is 12411899. The next prime is 12411937. The reversal of 12411918 is 81911421.

12411918 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12411899) and next prime (12411937).

It is a junction number, because it is equal to n+sod(n) for n = 12411891 and 12411900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344758 + ... + 344793.

It is an arithmetic number, because the mean of its divisors is an integer number (2241044).

Almost surely, 2^12411918 is an apocalyptic number.

12411918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12411918 is an abundant number, since it is smaller than the sum of its proper divisors (14480610).

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

12411918 is a wasteful number, since it uses less digits than its factorization.

12411918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689559 (or 689556 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 12411918 is about 3523.0552081964. The cubic root of 12411918 is about 231.5330356660.

The spelling of 12411918 in words is "twelve million, four hundred eleven thousand, nine hundred eighteen".