12888101 has 4 divisors (see below), whose sum is σ = 12897612. Its totient is φ = 12878592.

The previous prime is 12888079. The next prime is 12888121. The reversal of 12888101 is 10188821.

It is a Cunningham number, because it is equal to 3590²+1.

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 391876 + 12496225 = 626^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 12888101 - 2⁶ = 12888037 is a prime.

It is a super-2 number, since 2×12888101² = 332206294772402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888121) 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, 2300 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (3224403).

Almost surely, 2^12888101 is an apocalyptic number.

It is an amenable number.

12888101 is a deficient number, since it is larger than the sum of its proper divisors (9511).

12888101 is an equidigital number, since it uses as much as digits as its factorization.

12888101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 1024, while the sum is 29.

The square root of 12888101 is about 3590.0001392758. Note that the first 3 decimals coincide. The cubic root of 12888101 is about 234.4568776095.

The spelling of 12888101 in words is "twelve million, eight hundred eighty-eight thousand, one hundred one".