13578412 has 12 divisors (see below), whose sum is σ = 23944536. Its totient is φ = 6737120.

The previous prime is 13578379. The next prime is 13578413. The reversal of 13578412 is 21487531.

13578412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13578413) 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, 12433 + ... + 13480.

It is an arithmetic number, because the mean of its divisors is an integer number (1995378).

Almost surely, 2^13578412 is an apocalyptic number.

It is an amenable number.

13578412 is a deficient number, since it is larger than the sum of its proper divisors (10366124).

13578412 is a wasteful number, since it uses less digits than its factorization.

13578412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26048 (or 26046 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 13578412 is about 3684.8896862728. The cubic root of 13578412 is about 238.5702728960.

The spelling of 13578412 in words is "thirteen million, five hundred seventy-eight thousand, four hundred twelve".