12320514 has 12 divisors (see below), whose sum is σ = 26694486. Its totient is φ = 4106832.

The previous prime is 12320507. The next prime is 12320549. The reversal of 12320514 is 41502321.

It can be written as a sum of positive squares in only one way, i.e., 12131289 + 189225 = 3483^2 + 435^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 684473 = 12320514 / (1 + 2 + 3 + 2 + 0 + 5 + 1 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342219 + ... + 342254.

Almost surely, 2^12320514 is an apocalyptic number.

12320514 is an abundant number, since it is smaller than the sum of its proper divisors (14373972).

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

12320514 is a wasteful number, since it uses less digits than its factorization.

12320514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684481 (or 684478 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12320514 is about 3510.0589738635. The cubic root of 12320514 is about 230.9632819583.

Adding to 12320514 its reverse (41502321), we get a palindrome (53822835).

The spelling of 12320514 in words is "twelve million, three hundred twenty thousand, five hundred fourteen".