18713948 has 12 divisors (see below), whose sum is σ = 35726712. Its totient is φ = 8506320.

The previous prime is 18713921. The next prime is 18713951. The reversal of 18713948 is 84931781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212615 + ... + 212702.

It is an arithmetic number, because the mean of its divisors is an integer number (2977226).

Almost surely, 2^18713948 is an apocalyptic number.

It is an amenable number.

18713948 is a deficient number, since it is larger than the sum of its proper divisors (17012764).

18713948 is a wasteful number, since it uses less digits than its factorization.

18713948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425332 (or 425330 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 18713948 is about 4325.9620895241. The cubic root of 18713948 is about 265.4942620848.

The spelling of 18713948 in words is "eighteen million, seven hundred thirteen thousand, nine hundred forty-eight".