18360412 has 24 divisors (see below), whose sum is σ = 37272704. Its totient is φ = 7750512.

The previous prime is 18360389. The next prime is 18360427. The reversal of 18360412 is 21406381.

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, 3018 + ... + 6769.

Almost surely, 2^18360412 is an apocalyptic number.

It is an amenable number.

18360412 is an abundant number, since it is smaller than the sum of its proper divisors (18912292).

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

18360412 is a wasteful number, since it uses less digits than its factorization.

18360412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865 (or 9863 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18360412 is about 4284.9051331389. The cubic root of 18360412 is about 263.8117536196.

Adding to 18360412 its reverse (21406381), we get a palindrome (39766793).

The spelling of 18360412 in words is "eighteen million, three hundred sixty thousand, four hundred twelve".