18051248 has 20 divisors (see below), whose sum is σ = 35094480. Its totient is φ = 8994624.

The previous prime is 18051233. The next prime is 18051277. The reversal of 18051248 is 84215081.

It is a self number, because there is not a number n which added to its sum of digits gives 18051248.

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, 3293 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (1754724).

Almost surely, 2^18051248 is an apocalyptic number.

It is an amenable number.

18051248 is a deficient number, since it is larger than the sum of its proper divisors (17043232).

18051248 is a wasteful number, since it uses less digits than its factorization.

18051248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 18051248 is about 4248.6760290707. The cubic root of 18051248 is about 262.3226218156.

The spelling of 18051248 in words is "eighteen million, fifty-one thousand, two hundred forty-eight".