11921226 has 8 divisors (see below), whose sum is σ = 23842464. Its totient is φ = 3973740.

The previous prime is 11921219. The next prime is 11921251. The reversal of 11921226 is 62212911.

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

11921226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11921196 and 11921205.

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, 993430 + ... + 993441.

It is an arithmetic number, because the mean of its divisors is an integer number (2980308).

Almost surely, 2^11921226 is an apocalyptic number.

11921226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11921226 is a wasteful number, since it uses less digits than its factorization.

11921226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986876.

The product of its digits is 432, while the sum is 24.

The square root of 11921226 is about 3452.7128464441. The cubic root of 11921226 is about 228.4407831905.

The spelling of 11921226 in words is "eleven million, nine hundred twenty-one thousand, two hundred twenty-six".