13007247 has 16 divisors (see below), whose sum is σ = 18979968. Its totient is φ = 7858080.

The previous prime is 13007243. The next prime is 13007249. The reversal of 13007247 is 74270031.

It is not a de Polignac number, because 13007247 - 2² = 13007243 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13007243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19908 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (1186248).

Almost surely, 2^13007247 is an apocalyptic number.

13007247 is a deficient number, since it is larger than the sum of its proper divisors (5972721).

13007247 is a wasteful number, since it uses less digits than its factorization.

13007247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 13007247 is about 3606.5561135244. The cubic root of 13007247 is about 235.1771532774.

Adding to 13007247 its reverse (74270031), we get a palindrome (87277278).

The spelling of 13007247 in words is "thirteen million, seven thousand, two hundred forty-seven".