1000013247 has 12 divisors (see below), whose sum is σ = 1479694944. Its totient is φ = 650414880.

The previous prime is 1000013237. The next prime is 1000013323. The reversal of 1000013247 is 7423100001.

It is not a de Polignac number, because 1000013247 - 2¹⁵ = 999980479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000013207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354663 + ... + 1355400.

It is an arithmetic number, because the mean of its divisors is an integer number (123307912).

Almost surely, 2^1000013247 is an apocalyptic number.

1000013247 is a deficient number, since it is larger than the sum of its proper divisors (479681697).

1000013247 is a wasteful number, since it uses less digits than its factorization.

1000013247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710110 (or 2710107 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1000013247 is about 31622.9860544510. The cubic root of 1000013247 is about 1000.0044156472.

Adding to 1000013247 its reverse (7423100001), we get a palindrome (8423113248).

The spelling of 1000013247 in words is "one billion, thirteen thousand, two hundred forty-seven".