12878755 has 8 divisors (see below), whose sum is σ = 15987600. Its totient is φ = 9947616.

The previous prime is 12878753. The next prime is 12878771. The reversal of 12878755 is 55787821.

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

It is a cyclic number.

It is not a de Polignac number, because 12878755 - 2¹ = 12878753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12878753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44265 + ... + 44554.

It is an arithmetic number, because the mean of its divisors is an integer number (1998450).

Almost surely, 2^12878755 is an apocalyptic number.

12878755 is a deficient number, since it is larger than the sum of its proper divisors (3108845).

12878755 is an equidigital number, since it uses as much as digits as its factorization.

12878755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88853.

The product of its digits is 156800, while the sum is 43.

The square root of 12878755 is about 3588.6982319499. The cubic root of 12878755 is about 234.4001905961.

The spelling of 12878755 in words is "twelve million, eight hundred seventy-eight thousand, seven hundred fifty-five".