11427219 has 6 divisors (see below), whose sum is σ = 16505996. Its totient is φ = 7618140.

The previous prime is 11427217. The next prime is 11427239. The reversal of 11427219 is 91272411.

It is not a de Polignac number, because 11427219 - 2¹ = 11427217 is a prime.

It is a super-3 number, since 3×11427219³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11427192 and 11427201.

It is not an unprimeable number, because it can be changed into a prime (11427217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634837 + ... + 634854.

Almost surely, 2^11427219 is an apocalyptic number.

11427219 is a deficient number, since it is larger than the sum of its proper divisors (5078777).

11427219 is a wasteful number, since it uses less digits than its factorization.

11427219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269697 (or 1269694 counting only the distinct ones).

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

The square root of 11427219 is about 3380.4169861128. The cubic root of 11427219 is about 225.2406905810.

The spelling of 11427219 in words is "eleven million, four hundred twenty-seven thousand, two hundred nineteen".