18708130 has 16 divisors (see below), whose sum is σ = 38485440. Its totient is φ = 6414192.

The previous prime is 18708119. The next prime is 18708163. The reversal of 18708130 is 3180781.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 133560 + ... + 133699.

It is an arithmetic number, because the mean of its divisors is an integer number (2405340).

Almost surely, 2^18708130 is an apocalyptic number.

18708130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18708130 is an abundant number, since it is smaller than the sum of its proper divisors (19777310).

18708130 is a wasteful number, since it uses less digits than its factorization.

18708130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267273.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 18708130 is about 4325.2895856809. The cubic root of 18708130 is about 265.4667459648.

It can be divided in two parts, 1870 and 8130, that added together give a 4-th power (10000 = 10⁴).

The spelling of 18708130 in words is "eighteen million, seven hundred eight thousand, one hundred thirty".