12013922 has 4 divisors (see below), whose sum is σ = 18020886. Its totient is φ = 6006960.

The previous prime is 12013919. The next prime is 12013931. The reversal of 12013922 is 22931021.

12013922 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: 22931021 = 2411 ⋅9511.

It can be written as a sum of positive squares in only one way, i.e., 7134241 + 4879681 = 2671^2 + 2209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12013894 and 12013903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003479 + ... + 3003482.

Almost surely, 2^12013922 is an apocalyptic number.

12013922 is a deficient number, since it is larger than the sum of its proper divisors (6006964).

12013922 is an equidigital number, since it uses as much as digits as its factorization.

12013922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006963.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12013922 is about 3466.1105002582. The cubic root of 12013922 is about 229.0313515805.

Adding to 12013922 its reverse (22931021), we get a palindrome (34944943).

The spelling of 12013922 in words is "twelve million, thirteen thousand, nine hundred twenty-two".