11478642 has 24 divisors (see below), whose sum is σ = 26706096. Its totient is φ = 3279528.

The previous prime is 11478631. The next prime is 11478661. The reversal of 11478642 is 24687411.

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 in 11 ways as a sum of consecutive naturals, for example, 19228 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (1112754).

Almost surely, 2^11478642 is an apocalyptic number.

11478642 is an abundant number, since it is smaller than the sum of its proper divisors (15227454).

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

11478642 is a wasteful number, since it uses less digits than its factorization.

11478642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39062 (or 39055 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 11478642 is about 3388.0144627790. The cubic root of 11478642 is about 225.5780494588.

The spelling of 11478642 in words is "eleven million, four hundred seventy-eight thousand, six hundred forty-two".