12245730 has 32 divisors (see below), whose sum is σ = 33588864. Its totient is φ = 2798976.

The previous prime is 12245719. The next prime is 12245731. The reversal of 12245730 is 3754221.

It is a self number, because there is not a number n which added to its sum of digits gives 12245730.

It is not an unprimeable number, because it can be changed into a prime (12245731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28947 + ... + 29366.

It is an arithmetic number, because the mean of its divisors is an integer number (1049652).

Almost surely, 2^12245730 is an apocalyptic number.

12245730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12245730 is an abundant number, since it is smaller than the sum of its proper divisors (21343134).

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

12245730 is a wasteful number, since it uses less digits than its factorization.

12245730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58330.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12245730 is about 3499.3899468336. The cubic root of 12245730 is about 230.4950270508.

Adding to 12245730 its reverse (3754221), we get a palindrome (15999951).

The spelling of 12245730 in words is "twelve million, two hundred forty-five thousand, seven hundred thirty".