12881201 has 4 divisors (see below), whose sum is σ = 12892404. Its totient is φ = 12870000.

The previous prime is 12881177. The next prime is 12881203. The reversal of 12881201 is 10218821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5400976 + 7480225 = 2324^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 12881201 - 2⁶ = 12881137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12881203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650 + ... + 6251.

It is an arithmetic number, because the mean of its divisors is an integer number (3223101).

Almost surely, 2^12881201 is an apocalyptic number.

It is an amenable number.

12881201 is a deficient number, since it is larger than the sum of its proper divisors (11203).

12881201 is an equidigital number, since it uses as much as digits as its factorization.

12881201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 12881201 is about 3589.0390078683. The cubic root of 12881201 is about 234.4150291571.

The spelling of 12881201 in words is "twelve million, eight hundred eighty-one thousand, two hundred one".