12988441 has 4 divisors (see below), whose sum is σ = 13029732. Its totient is φ = 12947152.

The previous prime is 12988429. The next prime is 12988447. The reversal of 12988441 is 14488921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14488921 = 587 ⋅24683.

It can be written as a sum of positive squares in 2 ways, for example, as 7209225 + 5779216 = 2685^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 12988441 - 2¹⁵ = 12955673 is a prime.

It is a super-2 number, since 2×12988441² = 337399199220962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12988441.

It is not an unprimeable number, because it can be changed into a prime (12988447) 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, 20170 + ... + 20803.

It is an arithmetic number, because the mean of its divisors is an integer number (3257433).

Almost surely, 2^12988441 is an apocalyptic number.

It is an amenable number.

12988441 is a deficient number, since it is larger than the sum of its proper divisors (41291).

12988441 is an equidigital number, since it uses as much as digits as its factorization.

12988441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41290.

The product of its digits is 18432, while the sum is 37.

The square root of 12988441 is about 3603.9479740973. The cubic root of 12988441 is about 235.0637581641.

The spelling of 12988441 in words is "twelve million, nine hundred eighty-eight thousand, four hundred forty-one".