11271219 has 8 divisors (see below), whose sum is σ = 15681792. Its totient is φ = 7187400.

The previous prime is 11271193. The next prime is 11271223. The reversal of 11271219 is 91217211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11271219 is a prime.

It is a super-2 number, since 2×11271219² = 254080755491922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11271229) 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, 81607 + ... + 81744.

It is an arithmetic number, because the mean of its divisors is an integer number (1960224).

Almost surely, 2^11271219 is an apocalyptic number.

11271219 is a deficient number, since it is larger than the sum of its proper divisors (4410573).

11271219 is a wasteful number, since it uses less digits than its factorization.

11271219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163377.

The product of its digits is 252, while the sum is 24.

The square root of 11271219 is about 3357.2636178888. The cubic root of 11271219 is about 224.2110242985.

It can be divided in two parts, 1127 and 1219, that added together give a triangular number (2346 = T₆₈).

The spelling of 11271219 in words is "eleven million, two hundred seventy-one thousand, two hundred nineteen".