12687045441 has 8 divisors (see below), whose sum is σ = 19332640704. Its totient is φ = 7249740240.

The previous prime is 12687045431. The next prime is 12687045443. The reversal of 12687045441 is 14454078621.

12687045441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12687045441 - 2⁵ = 12687045409 is a prime.

It is a super-2 number, since 2×12687045441² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12687045393 and 12687045402.

It is not an unprimeable number, because it can be changed into a prime (12687045443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302072490 + ... + 302072531.

It is an arithmetic number, because the mean of its divisors is an integer number (2416580088).

Almost surely, 2^12687045441 is an apocalyptic number.

It is an amenable number.

12687045441 is a deficient number, since it is larger than the sum of its proper divisors (6645595263).

12687045441 is an equidigital number, since it uses as much as digits as its factorization.

12687045441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604145031.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 12687045441 in words is "twelve billion, six hundred eighty-seven million, forty-five thousand, four hundred forty-one".