12641330 has 16 divisors (see below), whose sum is σ = 24504984. Its totient is φ = 4667520.

The previous prime is 12641323. The next prime is 12641341. The reversal of 12641330 is 3314621.

It can be written as a sum of positive squares in 4 ways, for example, as 3136441 + 9504889 = 1771^2 + 3083^2 .

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, 48491 + ... + 48750.

Almost surely, 2^12641330 is an apocalyptic number.

12641330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12641330 is a deficient number, since it is larger than the sum of its proper divisors (11863654).

12641330 is a wasteful number, since it uses less digits than its factorization.

12641330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97261.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12641330 is about 3555.4648078697. The cubic root of 12641330 is about 232.9508268092.

Adding to 12641330 its reverse (3314621), we get a palindrome (15955951).

The spelling of 12641330 in words is "twelve million, six hundred forty-one thousand, three hundred thirty".