11945071 has 8 divisors (see below), whose sum is σ = 12409920. Its totient is φ = 11483808.

The previous prime is 11945069. The next prime is 11945083. The reversal of 11945071 is 17054911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11945071 - 2¹ = 11945069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945051) 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 7 ways as a sum of consecutive naturals, for example, 7290 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (1551240).

Almost surely, 2^11945071 is an apocalyptic number.

11945071 is a deficient number, since it is larger than the sum of its proper divisors (464849).

11945071 is a wasteful number, since it uses less digits than its factorization.

11945071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 11945071 is about 3456.1642032751. The cubic root of 11945071 is about 228.5929918831.

Adding to 11945071 its reverse (17054911), we get a palindrome (28999982).

The spelling of 11945071 in words is "eleven million, nine hundred forty-five thousand, seventy-one".