12160530 has 40 divisors (see below), whose sum is σ = 32700492. Its totient is φ = 3242592.

The previous prime is 12160523. The next prime is 12160553. The reversal of 12160530 is 3506121.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 29241 = 3483^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable 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 in 19 ways as a sum of consecutive naturals, for example, 6697 + ... + 8316.

Almost surely, 2^12160530 is an apocalyptic number.

12160530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12160530 is an abundant number, since it is smaller than the sum of its proper divisors (20539962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12160530 is a wasteful number, since it uses less digits than its factorization.

12160530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032 (or 15023 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12160530 is about 3487.1951479663. The cubic root of 12160530 is about 229.9592240253.

Adding to 12160530 its reverse (3506121), we get a palindrome (15666651).

The spelling of 12160530 in words is "twelve million, one hundred sixty thousand, five hundred thirty".