18630801 has 12 divisors (see below), whose sum is σ = 30755712. Its totient is φ = 10646136.

The previous prime is 18630797. The next prime is 18630809. The reversal of 18630801 is 10803681.

It is not a de Polignac number, because 18630801 - 2² = 18630797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18630809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147801 + ... + 147926.

It is an arithmetic number, because the mean of its divisors is an integer number (2562976).

Almost surely, 2^18630801 is an apocalyptic number.

It is an amenable number.

18630801 is a deficient number, since it is larger than the sum of its proper divisors (12124911).

18630801 is a wasteful number, since it uses less digits than its factorization.

18630801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295740 (or 295737 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 18630801 is about 4316.3411588984. The cubic root of 18630801 is about 265.1004769098.

The spelling of 18630801 in words is "eighteen million, six hundred thirty thousand, eight hundred one".