13474247 has 2 divisors, whose sum is σ = 13474248. Its totient is φ = 13474246.

The previous prime is 13474213. The next prime is 13474259. The reversal of 13474247 is 74247431.

13474247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13474247 - 2⁸ = 13473991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13474207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737123 + 6737124.

It is an arithmetic number, because the mean of its divisors is an integer number (6737124).

Almost surely, 2^13474247 is an apocalyptic number.

13474247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13474247 is an equidigital number, since it uses as much as digits as its factorization.

13474247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 13474247 is about 3670.7284018298. The cubic root of 13474247 is about 237.9586527518.

Subtracting from 13474247 its product of digits (18816), we obtain a palindrome (13455431).

It can be divided in two parts, 1347424 and 7, that added together give a palindrome (1347431).

The spelling of 13474247 in words is "thirteen million, four hundred seventy-four thousand, two hundred forty-seven".