12973547 has 2 divisors, whose sum is σ = 12973548. Its totient is φ = 12973546.

The previous prime is 12973529. The next prime is 12973559. The reversal of 12973547 is 74537921.

It is a strong prime.

12973547 is a truncatable prime.

It is an emirp because it is prime and its reverse (74537921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12973547 - 2⁶ = 12973483 is a prime.

It is a super-2 number, since 2×12973547² = 336625843522418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12973547.

It is not a weakly prime, because it can be changed into another prime (12973517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486773 + 6486774.

It is an arithmetic number, because the mean of its divisors is an integer number (6486774).

Almost surely, 2^12973547 is an apocalyptic number.

12973547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12973547 is an equidigital number, since it uses as much as digits as its factorization.

12973547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 12973547 is about 3601.8810363475. The cubic root of 12973547 is about 234.9738736611.

The spelling of 12973547 in words is "twelve million, nine hundred seventy-three thousand, five hundred forty-seven".