12888801 has 20 divisors (see below), whose sum is σ = 19728324. Its totient is φ = 8380800.

The previous prime is 12888797. The next prime is 12888803. The reversal of 12888801 is 10888821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3744225 + 9144576 = 1935^2 + 3024^2 .

It is not a de Polignac number, because 12888801 - 2² = 12888797 is a prime.

It is a super-2 number, since 2×12888801² = 332242382435202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12888803) 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 in 19 ways as a sum of consecutive naturals, for example, 1381 + ... + 5261.

Almost surely, 2^12888801 is an apocalyptic number.

It is an amenable number.

12888801 is a deficient number, since it is larger than the sum of its proper divisors (6839523).

12888801 is an equidigital number, since it uses as much as digits as its factorization.

12888801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 12888801 is about 3590.0976309844. The cubic root of 12888801 is about 234.4611222701.

It can be divided in two parts, 12888 and 801, that added together give a square (13689 = 117²).

The spelling of 12888801 in words is "twelve million, eight hundred eighty-eight thousand, eight hundred one".