12320430 has 32 divisors (see below), whose sum is σ = 29666304. Its totient is φ = 3274656.

The previous prime is 12320411. The next prime is 12320431. The reversal of 12320430 is 3402321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320431) 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, 13447 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (927072).

Almost surely, 2^12320430 is an apocalyptic number.

12320430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320430 is an abundant number, since it is smaller than the sum of its proper divisors (17345874).

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

12320430 is a wasteful number, since it uses less digits than its factorization.

12320430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12320430 is about 3510.0470082322. The cubic root of 12320430 is about 230.9627570625.

Adding to 12320430 its reverse (3402321), we get a palindrome (15722751).

The spelling of 12320430 in words is "twelve million, three hundred twenty thousand, four hundred thirty".