11921446 has 4 divisors (see below), whose sum is σ = 17882172. Its totient is φ = 5960722.

The previous prime is 11921443. The next prime is 11921473. The reversal of 11921446 is 64412911.

11921446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64412911 = 1297 ⋅49663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11921443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980360 + ... + 2980363.

It is an arithmetic number, because the mean of its divisors is an integer number (4470543).

Almost surely, 2^11921446 is an apocalyptic number.

11921446 is a deficient number, since it is larger than the sum of its proper divisors (5960726).

11921446 is an equidigital number, since it uses as much as digits as its factorization.

11921446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960725.

The product of its digits is 1728, while the sum is 28.

The square root of 11921446 is about 3452.7447053033. The cubic root of 11921446 is about 228.4421884336.

The spelling of 11921446 in words is "eleven million, nine hundred twenty-one thousand, four hundred forty-six".