10591971 has 16 divisors (see below), whose sum is σ = 15365280. Its totient is φ = 6451200.

The previous prime is 10591961. The next prime is 10591991. The reversal of 10591971 is 17919501.

It is a happy number.

It is not a de Polignac number, because 10591971 - 2⁶ = 10591907 is a prime.

It is a super-2 number, since 2×10591971² = 224379699329682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10591951) 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 15 ways as a sum of consecutive naturals, for example, 2595 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (960330).

Almost surely, 2^10591971 is an apocalyptic number.

10591971 is a deficient number, since it is larger than the sum of its proper divisors (4773309).

10591971 is a wasteful number, since it uses less digits than its factorization.

10591971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 10591971 is about 3254.5308417651. The cubic root of 10591971 is about 219.6134465441.

The spelling of 10591971 in words is "ten million, five hundred ninety-one thousand, nine hundred seventy-one".