13919227 has 8 divisors (see below), whose sum is σ = 16049376. Its totient is φ = 11824512.

The previous prime is 13919203. The next prime is 13919233. The reversal of 13919227 is 72291931.

It is a happy number.

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

It is not a de Polignac number, because 13919227 - 2¹¹ = 13917179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13919192 and 13919201.

It is not an unprimeable number, because it can be changed into a prime (13919287) 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, 8008 + ... + 9589.

It is an arithmetic number, because the mean of its divisors is an integer number (2006172).

Almost surely, 2^13919227 is an apocalyptic number.

13919227 is a deficient number, since it is larger than the sum of its proper divisors (2130149).

13919227 is a wasteful number, since it uses less digits than its factorization.

13919227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717.

The product of its digits is 6804, while the sum is 34.

The square root of 13919227 is about 3730.8480269236. The cubic root of 13919227 is about 240.5498216148.

The spelling of 13919227 in words is "thirteen million, nine hundred nineteen thousand, two hundred twenty-seven".