12133430 has 16 divisors (see below), whose sum is σ = 21942144. Its totient is φ = 4830720.

The previous prime is 12133421. The next prime is 12133463. The reversal of 12133430 is 3433121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12133399 and 12133408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1371384).

Almost surely, 2^12133430 is an apocalyptic number.

12133430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133430 is a deficient number, since it is larger than the sum of its proper divisors (9808714).

12133430 is a wasteful number, since it uses less digits than its factorization.

12133430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 12133430 is about 3483.3073364261. The cubic root of 12133430 is about 229.7882739649.

Adding to 12133430 its reverse (3433121), we get a palindrome (15566551).

The spelling of 12133430 in words is "twelve million, one hundred thirty-three thousand, four hundred thirty".