12789441 has 32 divisors (see below), whose sum is σ = 22112000. Its totient is φ = 7302960.

The previous prime is 12789433. The next prime is 12789461. The reversal of 12789441 is 14498721.

12789441 = T₈₃ + T₈₄ + ... + T₄₂₅.

It is not a de Polignac number, because 12789441 - 2³ = 12789433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12789396 and 12789405.

It is not an unprimeable number, because it can be changed into a prime (12789401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8571 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (691000).

Almost surely, 2^12789441 is an apocalyptic number.

It is an amenable number.

12789441 is a deficient number, since it is larger than the sum of its proper divisors (9322559).

12789441 is an equidigital number, since it uses as much as digits as its factorization.

12789441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1391 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12789441 is about 3576.2327944361. The cubic root of 12789441 is about 233.8570790634.

The spelling of 12789441 in words is "twelve million, seven hundred eighty-nine thousand, four hundred forty-one".