12554332013 has 2 divisors, whose sum is σ = 12554332014. Its totient is φ = 12554332012.

The previous prime is 12554332003. The next prime is 12554332039. The reversal of 12554332013 is 31023345521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9552716644 + 3001615369 = 97738^2 + 54787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12554332013 is a prime.

It is a super-2 number, since 2×12554332013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554332003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277166006 + 6277166007.

It is an arithmetic number, because the mean of its divisors is an integer number (6277166007).

Almost surely, 2^12554332013 is an apocalyptic number.

It is an amenable number.

12554332013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554332013 is an equidigital number, since it uses as much as digits as its factorization.

12554332013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 12554332013 its reverse (31023345521), we get a palindrome (43577677534).

The spelling of 12554332013 in words is "twelve billion, five hundred fifty-four million, three hundred thirty-two thousand, thirteen".