12420430 has 16 divisors (see below), whose sum is σ = 24389424. Its totient is φ = 4516480.

The previous prime is 12420413. The next prime is 12420451. The reversal of 12420430 is 3402421.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 56347 + ... + 56566.

It is an arithmetic number, because the mean of its divisors is an integer number (1524339).

Almost surely, 2^12420430 is an apocalyptic number.

12420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420430 is a deficient number, since it is larger than the sum of its proper divisors (11968994).

12420430 is a wasteful number, since it uses less digits than its factorization.

12420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112931.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12420430 is about 3524.2630435312. The cubic root of 12420430 is about 231.5859514429.

Adding to 12420430 its reverse (3402421), we get a palindrome (15822851).

Subtracting from 12420430 its reverse (3402421), we obtain a square (9018009 = 3003²).

The spelling of 12420430 in words is "twelve million, four hundred twenty thousand, four hundred thirty".