11272971 has 4 divisors (see below), whose sum is σ = 15030632. Its totient is φ = 7515312.

The previous prime is 11272927. The next prime is 11272973. The reversal of 11272971 is 17927211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11272971 - 2⁶ = 11272907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11272973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878826 + ... + 1878831.

It is an arithmetic number, because the mean of its divisors is an integer number (3757658).

Almost surely, 2^11272971 is an apocalyptic number.

11272971 is a deficient number, since it is larger than the sum of its proper divisors (3757661).

11272971 is an equidigital number, since it uses as much as digits as its factorization.

11272971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757660.

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

The square root of 11272971 is about 3357.5245345343. The cubic root of 11272971 is about 224.2226408285. Note that the first 3 decimals are identical.

The spelling of 11272971 in words is "eleven million, two hundred seventy-two thousand, nine hundred seventy-one".