12147433 has 8 divisors (see below), whose sum is σ = 12907080. Its totient is φ = 11410560.

The previous prime is 12147397. The next prime is 12147463. The reversal of 12147433 is 33474121.

It can be written as a sum of positive squares in 4 ways, for example, as 1669264 + 10478169 = 1292^2 + 3237^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12147433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12147398 and 12147407.

It is not an unprimeable number, because it can be changed into a prime (12147463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (1613385).

Almost surely, 2^12147433 is an apocalyptic number.

It is an amenable number.

12147433 is a deficient number, since it is larger than the sum of its proper divisors (759647).

12147433 is a wasteful number, since it uses less digits than its factorization.

12147433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387.

The product of its digits is 2016, while the sum is 25.

The square root of 12147433 is about 3485.3167718301. The cubic root of 12147433 is about 229.8766383200.

The spelling of 12147433 in words is "twelve million, one hundred forty-seven thousand, four hundred thirty-three".