18613130 has 32 divisors (see below), whose sum is σ = 35852544. Its totient is φ = 6932736.

The previous prime is 18613129. The next prime is 18613163. The reversal of 18613130 is 3131681.

18613130 = T₁₄₆ + T₁₄₇ + ... + T₄₈₅.

It is a junction number, because it is equal to n+sod(n) for n = 18613096 and 18613105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16979 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (1120392).

Almost surely, 2^18613130 is an apocalyptic number.

18613130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18613130 is a deficient number, since it is larger than the sum of its proper divisors (17239414).

18613130 is a wasteful number, since it uses less digits than its factorization.

18613130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 18613130 is about 4314.2936849501. The cubic root of 18613130 is about 265.0166359557.

The spelling of 18613130 in words is "eighteen million, six hundred thirteen thousand, one hundred thirty".