11440971 has 12 divisors (see below), whose sum is σ = 16576560. Its totient is φ = 7603920.

The previous prime is 11440963. The next prime is 11440973. The reversal of 11440971 is 17904411.

It is not a de Polignac number, because 11440971 - 2³ = 11440963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11440973) by changing a digit.

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, 1461 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (1381380).

Almost surely, 2^11440971 is an apocalyptic number.

11440971 is a deficient number, since it is larger than the sum of its proper divisors (5135589).

11440971 is a wasteful number, since it uses less digits than its factorization.

11440971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11440971 is about 3382.4504430960. The cubic root of 11440971 is about 225.3310090930.

The spelling of 11440971 in words is "eleven million, four hundred forty thousand, nine hundred seventy-one".