12878016 has 28 divisors (see below), whose sum is σ = 34073592. Its totient is φ = 4292608.

The previous prime is 12877981. The next prime is 12878017. The reversal of 12878016 is 61087821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12878017) 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, 33345 + ... + 33728.

It is an arithmetic number, because the mean of its divisors is an integer number (1216914).

Almost surely, 2^12878016 is an apocalyptic number.

12878016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12878016 is an abundant number, since it is smaller than the sum of its proper divisors (21195576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12878016 is an equidigital number, since it uses as much as digits as its factorization.

12878016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67088 (or 67078 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12878016 is about 3588.5952683467. The cubic root of 12878016 is about 234.3957071127.

The spelling of 12878016 in words is "twelve million, eight hundred seventy-eight thousand, sixteen".