130612 has 6 divisors (see below), whose sum is σ = 228578. Its totient is φ = 65304.

The previous prime is 130589. The next prime is 130619. The reversal of 130612 is 216031.

It can be written as a sum of positive squares in only one way, i.e., 106276 + 24336 = 326^2 + 156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130592 and 130601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130619) by changing a digit.

130612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16323 + ... + 16330.

2¹³⁰⁶¹² is an apocalyptic number.

It is an amenable number.

130612 is a deficient number, since it is larger than the sum of its proper divisors (97966).

130612 is a wasteful number, since it uses less digits than its factorization.

130612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32657 (or 32655 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130612 is about 361.4028223465. The cubic root of 130612 is about 50.7373398173.

Adding to 130612 its reverse (216031), we get a palindrome (346643).

The spelling of 130612 in words is "one hundred thirty thousand, six hundred twelve".