13473247 has 2 divisors, whose sum is σ = 13473248. Its totient is φ = 13473246.

The previous prime is 13473221. The next prime is 13473283. The reversal of 13473247 is 74237431.

It is a weak prime.

It is an emirp because it is prime and its reverse (74237431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13473247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13474247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6736623 + 6736624.

It is an arithmetic number, because the mean of its divisors is an integer number (6736624).

Almost surely, 2^13473247 is an apocalyptic number.

13473247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13473247 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 13473247 = (27314734)₉.

13473247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 13473247 is about 3670.5921865552. The cubic root of 13473247 is about 237.9527658541.

The spelling of 13473247 in words is "thirteen million, four hundred seventy-three thousand, two hundred forty-seven".