13142878 has 24 divisors (see below), whose sum is σ = 23499504. Its totient is φ = 5493600.

The previous prime is 13142873. The next prime is 13142891. The reversal of 13142878 is 87824131.

It is a happy number.

13142878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 5653.

It is an arithmetic number, because the mean of its divisors is an integer number (979146).

Almost surely, 2^13142878 is an apocalyptic number.

13142878 is a deficient number, since it is larger than the sum of its proper divisors (10356626).

13142878 is a wasteful number, since it uses less digits than its factorization.

13142878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3321 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 13142878 is about 3625.3107453017. The cubic root of 13142878 is about 235.9917525606.

The spelling of 13142878 in words is "thirteen million, one hundred forty-two thousand, eight hundred seventy-eight".