11905442 has 4 divisors (see below), whose sum is σ = 17858166. Its totient is φ = 5952720.

The previous prime is 11905427. The next prime is 11905477. The reversal of 11905442 is 24450911.

11905442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 3845521 = 2839^2 + 1961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2976359 + ... + 2976362.

Almost surely, 2^11905442 is an apocalyptic number.

11905442 is a deficient number, since it is larger than the sum of its proper divisors (5952724).

11905442 is an equidigital number, since it uses as much as digits as its factorization.

11905442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952723.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11905442 is about 3450.4263504674. The cubic root of 11905442 is about 228.3399182335.

The spelling of 11905442 in words is "eleven million, nine hundred five thousand, four hundred forty-two".