12361530 has 16 divisors (see below), whose sum is σ = 29667744. Its totient is φ = 3296400.

The previous prime is 12361513. The next prime is 12361537. The reversal of 12361530 is 3516321.

It is a junction number, because it is equal to n+sod(n) for n = 12361497 and 12361506.

It is not an unprimeable number, because it can be changed into a prime (12361537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205996 + ... + 206055.

It is an arithmetic number, because the mean of its divisors is an integer number (1854234).

Almost surely, 2^12361530 is an apocalyptic number.

12361530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12361530 is an abundant number, since it is smaller than the sum of its proper divisors (17306214).

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

12361530 is a wasteful number, since it uses less digits than its factorization.

12361530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412061.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12361530 is about 3515.8967561634. The cubic root of 12361530 is about 231.2192966298.

Adding to 12361530 its reverse (3516321), we get a palindrome (15877851).

The spelling of 12361530 in words is "twelve million, three hundred sixty-one thousand, five hundred thirty".