12645330 has 32 divisors (see below), whose sum is σ = 30469824. Its totient is φ = 3358656.

The previous prime is 12645319. The next prime is 12645337. The reversal of 12645330 is 3354621.

It is a happy number.

12645330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12645330.

It is not an unprimeable number, because it can be changed into a prime (12645337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8524 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (952182).

Almost surely, 2^12645330 is an apocalyptic number.

12645330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12645330 is an abundant number, since it is smaller than the sum of its proper divisors (17824494).

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

12645330 is a wasteful number, since it uses less digits than its factorization.

12645330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 12645330 is about 3556.0272777356. The cubic root of 12645330 is about 232.9753945048.

Adding to 12645330 its reverse (3354621), we get a palindrome (15999951).

The spelling of 12645330 in words is "twelve million, six hundred forty-five thousand, three hundred thirty".