12340528 has 10 divisors (see below), whose sum is σ = 23909804. Its totient is φ = 6170256.

The previous prime is 12340513. The next prime is 12340541. The reversal of 12340528 is 82504321.

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 as a sum of consecutive naturals, namely, 385626 + ... + 385657.

Almost surely, 2^12340528 is an apocalyptic number.

It is an amenable number.

12340528 is a deficient number, since it is larger than the sum of its proper divisors (11569276).

12340528 is an equidigital number, since it uses as much as digits as its factorization.

12340528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771291 (or 771285 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12340528 is about 3512.9087662506. The cubic root of 12340528 is about 231.0882766997.

Adding to 12340528 its reverse (82504321), we get a palindrome (94844849).

The spelling of 12340528 in words is "twelve million, three hundred forty thousand, five hundred twenty-eight".