13878076 has 6 divisors (see below), whose sum is σ = 24286640. Its totient is φ = 6939036.

The previous prime is 13878047. The next prime is 13878089. The reversal of 13878076 is 67087831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734756 + ... + 1734763.

Almost surely, 2^13878076 is an apocalyptic number.

It is an amenable number.

13878076 is a deficient number, since it is larger than the sum of its proper divisors (10408564).

13878076 is a wasteful number, since it uses less digits than its factorization.

13878076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469523 (or 3469521 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 13878076 is about 3725.3289787615. The cubic root of 13878076 is about 240.3125326521.

The spelling of 13878076 in words is "thirteen million, eight hundred seventy-eight thousand, seventy-six".