11047971 has 8 divisors (see below), whose sum is σ = 16069824. Its totient is φ = 6695720.

The previous prime is 11047931. The next prime is 11047973. The reversal of 11047971 is 17974011.

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 11047971 - 2⁹ = 11047459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11047973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167361 + ... + 167426.

It is an arithmetic number, because the mean of its divisors is an integer number (2008728).

Almost surely, 2^11047971 is an apocalyptic number.

11047971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11047971 is a deficient number, since it is larger than the sum of its proper divisors (5021853).

11047971 is a wasteful number, since it uses less digits than its factorization.

11047971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334801.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 11047971 is about 3323.8488232770. The cubic root of 11047971 is about 222.7208328051.

The spelling of 11047971 in words is "eleven million, forty-seven thousand, nine hundred seventy-one".