11442905 has 4 divisors (see below), whose sum is σ = 13731492. Its totient is φ = 9154320.

The previous prime is 11442889. The next prime is 11442917. The reversal of 11442905 is 50924411.

11442905 is digitally balanced in base 3, 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 2 ways, for example, as 1907161 + 9535744 = 1381^2 + 3088^2 .

It is not a de Polignac number, because 11442905 - 2⁴ = 11442889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144286 + ... + 1144295.

It is an arithmetic number, because the mean of its divisors is an integer number (3432873).

Almost surely, 2^11442905 is an apocalyptic number.

It is an amenable number.

11442905 is a deficient number, since it is larger than the sum of its proper divisors (2288587).

11442905 is an equidigital number, since it uses as much as digits as its factorization.

11442905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288586.

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

The square root of 11442905 is about 3382.7363184263. The cubic root of 11442905 is about 225.3437051488.

The spelling of 11442905 in words is "eleven million, four hundred forty-two thousand, nine hundred five".