12801332 has 6 divisors (see below), whose sum is σ = 22402338. Its totient is φ = 6400664.

The previous prime is 12801331. The next prime is 12801337. The reversal of 12801332 is 23310821.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 1336336 = 3386^2 + 1156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801331) by changing a digit.

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, 1600163 + ... + 1600170.

It is an arithmetic number, because the mean of its divisors is an integer number (3733723).

Almost surely, 2^12801332 is an apocalyptic number.

It is an amenable number.

12801332 is a deficient number, since it is larger than the sum of its proper divisors (9601006).

12801332 is a wasteful number, since it uses less digits than its factorization.

12801332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200337 (or 3200335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12801332 is about 3577.8949118162. The cubic root of 12801332 is about 233.9295329248.

The spelling of 12801332 in words is "twelve million, eight hundred one thousand, three hundred thirty-two".