18706852 has 6 divisors (see below), whose sum is σ = 32736998. Its totient is φ = 9353424.

The previous prime is 18706847. The next prime is 18706861. The reversal of 18706852 is 25860781.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 1267876 = 4176^2 + 1126^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2338353 + ... + 2338360.

Almost surely, 2^18706852 is an apocalyptic number.

It is an amenable number.

18706852 is a deficient number, since it is larger than the sum of its proper divisors (14030146).

18706852 is a wasteful number, since it uses less digits than its factorization.

18706852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676717 (or 4676715 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 18706852 is about 4325.1418473849. The cubic root of 18706852 is about 265.4607009240.

The spelling of 18706852 in words is "eighteen million, seven hundred six thousand, eight hundred fifty-two".