11944971 has 12 divisors (see below), whose sum is σ = 17297280. Its totient is φ = 7943280.

The previous prime is 11944913. The next prime is 11944979. The reversal of 11944971 is 17944911.

It is not a de Polignac number, because 11944971 - 2¹⁰ = 11943947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2710 + ... + 5588.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^11944971 is an apocalyptic number.

11944971 is a deficient number, since it is larger than the sum of its proper divisors (5352309).

11944971 is a wasteful number, since it uses less digits than its factorization.

11944971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3343 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11944971 is about 3456.1497363396. The cubic root of 11944971 is about 228.5923539808.

The spelling of 11944971 in words is "eleven million, nine hundred forty-four thousand, nine hundred seventy-one".