12354128 has 40 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 5798144.

The previous prime is 12354127. The next prime is 12354131. The reversal of 12354128 is 82145321.

It is a junction number, because it is equal to n+sod(n) for n = 12354097 and 12354106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21428 + ... + 21996.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^12354128 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 12354128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12722400).

12354128 is an abundant number, since it is smaller than the sum of its proper divisors (13090672).

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

12354128 is a wasteful number, since it uses less digits than its factorization.

12354128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 12354128 is about 3514.8439510169. The cubic root of 12354128 is about 231.1731365682.

Adding to 12354128 its reverse (82145321), we get a palindrome (94499449).

The spelling of 12354128 in words is "twelve million, three hundred fifty-four thousand, one hundred twenty-eight".