12161748 has 48 divisors (see below), whose sum is σ = 30623040. Its totient is φ = 3744000.

The previous prime is 12161719. The next prime is 12161771. The reversal of 12161748 is 84716121.

12161748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12161748² = 295816228831008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8698 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (637980).

Almost surely, 2^12161748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12161748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15311520).

12161748 is an abundant number, since it is smaller than the sum of its proper divisors (18461292).

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

12161748 is a wasteful number, since it uses less digits than its factorization.

12161748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1366 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 12161748 is about 3487.3697825152. The cubic root of 12161748 is about 229.9669013493.

Adding to 12161748 its reverse (84716121), we get a palindrome (96877869).

The spelling of 12161748 in words is "twelve million, one hundred sixty-one thousand, seven hundred forty-eight".