12878541 has 16 divisors (see below), whose sum is σ = 20547520. Its totient is φ = 7925040.

The previous prime is 12878531. The next prime is 12878563. The reversal of 12878541 is 14587821.

It is not a de Polignac number, because 12878541 - 2¹³ = 12870349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12878496 and 12878505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17995 + ... + 18696.

It is an arithmetic number, because the mean of its divisors is an integer number (1284220).

Almost surely, 2^12878541 is an apocalyptic number.

It is an amenable number.

12878541 is a deficient number, since it is larger than the sum of its proper divisors (7668979).

12878541 is a wasteful number, since it uses less digits than its factorization.

12878541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36713 (or 36707 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 12878541 is about 3588.6684160006. The cubic root of 12878541 is about 234.3988922843.

The spelling of 12878541 in words is "twelve million, eight hundred seventy-eight thousand, five hundred forty-one".