15813130 has 16 divisors (see below), whose sum is σ = 29962080. Its totient is φ = 5992272.

The previous prime is 15813101. The next prime is 15813143. The reversal of 15813130 is 3131851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41424 + ... + 41803.

It is an arithmetic number, because the mean of its divisors is an integer number (1872630).

Almost surely, 2^15813130 is an apocalyptic number.

15813130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15813130 is a deficient number, since it is larger than the sum of its proper divisors (14148950).

15813130 is a wasteful number, since it uses less digits than its factorization.

15813130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83253.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 15813130 is about 3976.5726448790. The cubic root of 15813130 is about 250.9993597969. Note that the first 3 decimals are identical.

Adding to 15813130 its reverse (3131851), we get a palindrome (18944981).

The spelling of 15813130 in words is "fifteen million, eight hundred thirteen thousand, one hundred thirty".