13616047 has 2 divisors, whose sum is σ = 13616048. Its totient is φ = 13616046.

The previous prime is 13616017. The next prime is 13616081. The reversal of 13616047 is 74061631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13616047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13616017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6808023 + 6808024.

It is an arithmetic number, because the mean of its divisors is an integer number (6808024).

Almost surely, 2^13616047 is an apocalyptic number.

13616047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13616047 is an equidigital number, since it uses as much as digits as its factorization.

13616047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13616047 is about 3689.9928184212. The cubic root of 13616047 is about 238.7904829793.

Adding to 13616047 its reverse (74061631), we get a palindrome (87677678).

The spelling of 13616047 in words is "thirteen million, six hundred sixteen thousand, forty-seven".