12492306 has 40 divisors (see below), whose sum is σ = 28488240. Its totient is φ = 4090392.

The previous prime is 12492299. The next prime is 12492323. The reversal of 12492306 is 60329421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12492306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8905 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (712206).

Almost surely, 2^12492306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12492306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14244120).

12492306 is an abundant number, since it is smaller than the sum of its proper divisors (15995934).

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

12492306 is a wasteful number, since it uses less digits than its factorization.

12492306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12492306 is about 3534.4456425301. The cubic root of 12492306 is about 232.0318153950.

The spelling of 12492306 in words is "twelve million, four hundred ninety-two thousand, three hundred six".