11472291 has 12 divisors (see below), whose sum is σ = 16703232. Its totient is φ = 7587216.

The previous prime is 11472269. The next prime is 11472299. The reversal of 11472291 is 19227411.

It is not a de Polignac number, because 11472291 - 2⁷ = 11472163 is a prime.

It is a super-2 number, since 2×11472291² = 263226921577362, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11472299) 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 11 ways as a sum of consecutive naturals, for example, 3876 + ... + 6161.

It is an arithmetic number, because the mean of its divisors is an integer number (1391936).

Almost surely, 2^11472291 is an apocalyptic number.

11472291 is a deficient number, since it is larger than the sum of its proper divisors (5230941).

11472291 is a wasteful number, since it uses less digits than its factorization.

11472291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10167 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 11472291 is about 3387.0770584680. The cubic root of 11472291 is about 225.5364385407.

The spelling of 11472291 in words is "eleven million, four hundred seventy-two thousand, two hundred ninety-one".