12133480 has 16 divisors (see below), whose sum is σ = 27300420. Its totient is φ = 4853376.

The previous prime is 12133477. The next prime is 12133487. The reversal of 12133480 is 8433121.

It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 695556 = 3382^2 + 834^2 .

It is not an unprimeable number, because it can be changed into a prime (12133487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151629 + ... + 151708.

Almost surely, 2^12133480 is an apocalyptic number.

12133480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133480 is an abundant number, since it is smaller than the sum of its proper divisors (15166940).

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

12133480 is a wasteful number, since it uses less digits than its factorization.

12133480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303348 (or 303344 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12133480 is about 3483.3145135058. The cubic root of 12133480 is about 229.7885896052.

The spelling of 12133480 in words is "twelve million, one hundred thirty-three thousand, four hundred eighty".