12996547 has 2 divisors, whose sum is σ = 12996548. Its totient is φ = 12996546.

The previous prime is 12996539. The next prime is 12996559. The reversal of 12996547 is 74569921.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74569921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12996547 - 2³ = 12996539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12996647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6498273 + 6498274.

It is an arithmetic number, because the mean of its divisors is an integer number (6498274).

Almost surely, 2^12996547 is an apocalyptic number.

12996547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12996547 is an equidigital number, since it uses as much as digits as its factorization.

12996547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 12996547 is about 3605.0723987182. The cubic root of 12996547 is about 235.1126485730.

The spelling of 12996547 in words is "twelve million, nine hundred ninety-six thousand, five hundred forty-seven".