12371922 has 48 divisors (see below), whose sum is σ = 28094040. Its totient is φ = 3929856.

The previous prime is 12371921. The next prime is 12371923. The reversal of 12371922 is 22917321.

It is an interprime number because it is at equal distance from previous prime (12371921) and next prime (12371923).

It can be written as a sum of positive squares in 4 ways, for example, as 12257001 + 114921 = 3501^2 + 339^2 .

It is not an unprimeable number, because it can be changed into a prime (12371921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71428 + ... + 71600.

Almost surely, 2^12371922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12371922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14047020).

12371922 is an abundant number, since it is smaller than the sum of its proper divisors (15722118).

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

12371922 is a wasteful number, since it uses less digits than its factorization.

12371922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 344 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12371922 is about 3517.3743047904. The cubic root of 12371922 is about 231.2840717267.

The spelling of 12371922 in words is "twelve million, three hundred seventy-one thousand, nine hundred twenty-two".