12303530 has 16 divisors (see below), whose sum is σ = 22191840. Its totient is φ = 4911312.

The previous prime is 12303527. The next prime is 12303581. The reversal of 12303530 is 3530321.

It is a junction number, because it is equal to n+sod(n) for n = 12303499 and 12303508.

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, 5657 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (1386990).

Almost surely, 2^12303530 is an apocalyptic number.

12303530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303530 is a deficient number, since it is larger than the sum of its proper divisors (9888310).

12303530 is a wasteful number, since it uses less digits than its factorization.

12303530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 12303530 is about 3507.6388069469. The cubic root of 12303530 is about 230.8571044549.

Adding to 12303530 its reverse (3530321), we get a palindrome (15833851).

The spelling of 12303530 in words is "twelve million, three hundred three thousand, five hundred thirty".