12878075 has 12 divisors (see below), whose sum is σ = 18250320. Its totient is φ = 8830560.

The previous prime is 12878069. The next prime is 12878081. The reversal of 12878075 is 57087821.

12878075 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (12878069) and next prime (12878081).

It is not a de Polignac number, because 12878075 - 2¹⁶ = 12812539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36620 + ... + 36969.

It is an arithmetic number, because the mean of its divisors is an integer number (1520860).

Almost surely, 2^12878075 is an apocalyptic number.

12878075 is a deficient number, since it is larger than the sum of its proper divisors (5372245).

12878075 is an equidigital number, since it uses as much as digits as its factorization.

12878075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73606 (or 73601 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 12878075 is about 3588.6034888240. The cubic root of 12878075 is about 234.3960650696.

The spelling of 12878075 in words is "twelve million, eight hundred seventy-eight thousand, seventy-five".