12330505 has 24 divisors (see below), whose sum is σ = 16518600. Its totient is φ = 8828160.

The previous prime is 12330473. The next prime is 12330517. The reversal of 12330505 is 50503321.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 10316944 = 1419^2 + 3212^2 .

It is not a de Polignac number, because 12330505 - 2⁵ = 12330473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53731 + ... + 53959.

It is an arithmetic number, because the mean of its divisors is an integer number (688275).

Almost surely, 2^12330505 is an apocalyptic number.

It is an amenable number.

12330505 is a deficient number, since it is larger than the sum of its proper divisors (4188095).

12330505 is a wasteful number, since it uses less digits than its factorization.

12330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 12330505 is about 3511.4818809158. The cubic root of 12330505 is about 231.0256963100.

Adding to 12330505 its reverse (50503321), we get a palindrome (62833826).

It can be divided in two parts, 123 and 30505, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 12330505 in words is "twelve million, three hundred thirty thousand, five hundred five".