12045418 has 64 divisors (see below), whose sum is σ = 24634368. Its totient is φ = 4273920.

The previous prime is 12045409. The next prime is 12045427. The reversal of 12045418 is 81454021.

It is an interprime number because it is at equal distance from previous prime (12045409) and next prime (12045427).

12045418 is a modest number, since divided by 5418 gives 1204 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12045392 and 12045401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112521 + ... + 112627.

It is an arithmetic number, because the mean of its divisors is an integer number (384912).

Almost surely, 2^12045418 is an apocalyptic number.

12045418 is an abundant number, since it is smaller than the sum of its proper divisors (12588950).

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

12045418 is a wasteful number, since it uses less digits than its factorization.

12045418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 12045418 is about 3470.6509475889. The cubic root of 12045418 is about 229.2313217167.

Adding to 12045418 its reverse (81454021), we get a palindrome (93499439).

The spelling of 12045418 in words is "twelve million, forty-five thousand, four hundred eighteen".