12133403 has 8 divisors (see below), whose sum is σ = 12478176. Its totient is φ = 11793600.

The previous prime is 12133399. The next prime is 12133411. The reversal of 12133403 is 30433121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12133403 - 2² = 12133399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133463) by changing a digit.

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, 4013 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (1559772).

Almost surely, 2^12133403 is an apocalyptic number.

12133403 is a deficient number, since it is larger than the sum of its proper divisors (344773).

12133403 is an equidigital number, since it uses as much as digits as its factorization.

12133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

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

The square root of 12133403 is about 3483.3034607969. The cubic root of 12133403 is about 229.7881035188.

Adding to 12133403 its reverse (30433121), we get a palindrome (42566524).

The spelling of 12133403 in words is "twelve million, one hundred thirty-three thousand, four hundred three".