12401922 has 64 divisors (see below), whose sum is σ = 28901376. Its totient is φ = 3516480.

The previous prime is 12401903. The next prime is 12401929. The reversal of 12401922 is 22910421.

12401922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12401929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55503 + ... + 55725.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 2^12401922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450688).

12401922 is an abundant number, since it is smaller than the sum of its proper divisors (16499454).

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

12401922 is a wasteful number, since it uses less digits than its factorization.

12401922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12401922 is about 3521.6362674189. The cubic root of 12401922 is about 231.4708635449.

The spelling of 12401922 in words is "twelve million, four hundred one thousand, nine hundred twenty-two".