13452547 has 2 divisors, whose sum is σ = 13452548. Its totient is φ = 13452546.

The previous prime is 13452533. The next prime is 13452577. The reversal of 13452547 is 74525431.

It is a weak prime.

It is an emirp because it is prime and its reverse (74525431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13452547 - 2²³ = 5063939 is a prime.

It is a super-3 number, since 3×13452547³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13452577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726273 + 6726274.

It is an arithmetic number, because the mean of its divisors is an integer number (6726274).

Almost surely, 2^13452547 is an apocalyptic number.

13452547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452547 is an equidigital number, since it uses as much as digits as its factorization.

13452547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 13452547 is about 3667.7713941848. The cubic root of 13452547 is about 237.8308415957.

Adding to 13452547 its reverse (74525431), we get a palindrome (87977978).

The spelling of 13452547 in words is "thirteen million, four hundred fifty-two thousand, five hundred forty-seven".