12404718 has 16 divisors (see below), whose sum is σ = 27566160. Its totient is φ = 4134888.

The previous prime is 12404699. The next prime is 12404723. The reversal of 12404718 is 81740421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12404691 and 12404700.

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, 114805 + ... + 114912.

It is an arithmetic number, because the mean of its divisors is an integer number (1722885).

Almost surely, 2^12404718 is an apocalyptic number.

12404718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12404718 is an abundant number, since it is smaller than the sum of its proper divisors (15161442).

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

12404718 is a wasteful number, since it uses less digits than its factorization.

12404718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229728 (or 229722 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12404718 is about 3522.0332196048. The cubic root of 12404718 is about 231.4882571904.

The spelling of 12404718 in words is "twelve million, four hundred four thousand, seven hundred eighteen".