18013468 has 12 divisors (see below), whose sum is σ = 34389432. Its totient is φ = 8187920.

The previous prime is 18013459. The next prime is 18013507. The reversal of 18013468 is 86431081.

It is a congruent number.

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, 204655 + ... + 204742.

It is an arithmetic number, because the mean of its divisors is an integer number (2865786).

Almost surely, 2^18013468 is an apocalyptic number.

It is an amenable number.

18013468 is a deficient number, since it is larger than the sum of its proper divisors (16375964).

18013468 is a wasteful number, since it uses less digits than its factorization.

18013468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409412 (or 409410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18013468 is about 4244.2276093537. The cubic root of 18013468 is about 262.1394863573.

It can be divided in two parts, 18013 and 468, that added together give a palindrome (18481).

The spelling of 18013468 in words is "eighteen million, thirteen thousand, four hundred sixty-eight".