12471533 has 2 divisors, whose sum is σ = 12471534. Its totient is φ = 12471532.

The previous prime is 12471499. The next prime is 12471559. The reversal of 12471533 is 33517421.

It is an a-pointer prime, because the next prime (12471559) can be obtained adding 12471533 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 4251844 = 2867^2 + 2062^2 .

It is a cyclic number.

It is not a de Polignac number, because 12471533 - 2¹² = 12467437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235766 + 6235767.

It is an arithmetic number, because the mean of its divisors is an integer number (6235767).

Almost surely, 2^12471533 is an apocalyptic number.

It is an amenable number.

12471533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471533 is an equidigital number, since it uses as much as digits as its factorization.

12471533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 12471533 is about 3531.5057694983. The cubic root of 12471533 is about 231.9031316266.

Adding to 12471533 its reverse (33517421), we get a palindrome (45988954).

The spelling of 12471533 in words is "twelve million, four hundred seventy-one thousand, five hundred thirty-three".