12880417 has 4 divisors (see below), whose sum is σ = 14051376. Its totient is φ = 11709460.

The previous prime is 12880411. The next prime is 12880447. The reversal of 12880417 is 71408821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12880417 - 2³ = 12880409 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12880411) 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, 585463 + ... + 585484.

It is an arithmetic number, because the mean of its divisors is an integer number (3512844).

Almost surely, 2^12880417 is an apocalyptic number.

It is an amenable number.

12880417 is a deficient number, since it is larger than the sum of its proper divisors (1170959).

12880417 is a wasteful number, since it uses less digits than its factorization.

12880417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170958.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12880417 is about 3588.9297847687. The cubic root of 12880417 is about 234.4102732571.

It can be divided in two parts, 128804 and 17, that added together give a palindrome (128821).

The spelling of 12880417 in words is "twelve million, eight hundred eighty thousand, four hundred seventeen".