12046878 has 12 divisors (see below), whose sum is σ = 26101608. Its totient is φ = 4015620.

The previous prime is 12046877. The next prime is 12046883. The reversal of 12046878 is 87864021.

12046878 is a `hidden beast` number, since 120 + 468 + 78 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334618 + ... + 334653.

It is an arithmetic number, because the mean of its divisors is an integer number (2175134).

Almost surely, 2^12046878 is an apocalyptic number.

12046878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12046878 is an abundant number, since it is smaller than the sum of its proper divisors (14054730).

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

12046878 is a wasteful number, since it uses less digits than its factorization.

12046878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669279 (or 669276 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12046878 is about 3470.8612763981. The cubic root of 12046878 is about 229.2405828927.

The spelling of 12046878 in words is "twelve million, forty-six thousand, eight hundred seventy-eight".