13247129 has 8 divisors (see below), whose sum is σ = 15228480. Its totient is φ = 11288016.

The previous prime is 13247119. The next prime is 13247159. The reversal of 13247129 is 92174231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13247129 - 2¹² = 13243033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13247119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (1903560).

Almost surely, 2^13247129 is an apocalyptic number.

It is an amenable number.

13247129 is a deficient number, since it is larger than the sum of its proper divisors (1981351).

13247129 is a wasteful number, since it uses less digits than its factorization.

13247129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119.

The product of its digits is 3024, while the sum is 29.

The square root of 13247129 is about 3639.6605610963. The cubic root of 13247129 is about 236.6140823022.

The spelling of 13247129 in words is "thirteen million, two hundred forty-seven thousand, one hundred twenty-nine".