13891226 has 8 divisors (see below), whose sum is σ = 21280320. Its totient is φ = 6797788.

The previous prime is 13891217. The next prime is 13891231. The reversal of 13891226 is 62219831.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13891192 and 13891201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73796 + ... + 73983.

It is an arithmetic number, because the mean of its divisors is an integer number (2660040).

Almost surely, 2^13891226 is an apocalyptic number.

13891226 is a deficient number, since it is larger than the sum of its proper divisors (7389094).

13891226 is a wasteful number, since it uses less digits than its factorization.

13891226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147828.

The product of its digits is 5184, while the sum is 32.

The square root of 13891226 is about 3727.0935056690. The cubic root of 13891226 is about 240.3884104184.

The spelling of 13891226 in words is "thirteen million, eight hundred ninety-one thousand, two hundred twenty-six".