12275406 has 96 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 3240000.

The previous prime is 12275401. The next prime is 12275407. The reversal of 12275406 is 60457221.

It is a self number, because there is not a number n which added to its sum of digits gives 12275406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48781 + ... + 49031.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^12275406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12275406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16511040).

12275406 is an abundant number, since it is smaller than the sum of its proper divisors (20746674).

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

12275406 is a wasteful number, since it uses less digits than its factorization.

12275406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12275406 is about 3503.6275486986. The cubic root of 12275406 is about 230.6810688362.

The spelling of 12275406 in words is "twelve million, two hundred seventy-five thousand, four hundred six".