18153412 has 12 divisors (see below), whose sum is σ = 31837120. Its totient is φ = 9057096.

The previous prime is 18153389. The next prime is 18153427. The reversal of 18153412 is 21435181.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712 + ... + 6607.

Almost surely, 2^18153412 is an apocalyptic number.

It is an amenable number.

18153412 is a deficient number, since it is larger than the sum of its proper divisors (13683708).

18153412 is a wasteful number, since it uses less digits than its factorization.

18153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810 (or 9808 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 18153412 is about 4260.6821050156. The cubic root of 18153412 is about 262.8165770845.

Adding to 18153412 its reverse (21435181), we get a palindrome (39588593).

The spelling of 18153412 in words is "eighteen million, one hundred fifty-three thousand, four hundred twelve".