1246530013 has 4 divisors (see below), whose sum is σ = 1246795200. Its totient is φ = 1246264828.

The previous prime is 1246529959. The next prime is 1246530079. The reversal of 1246530013 is 3100356421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1246530013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1246530013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246530613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125413 + ... + 134986.

It is an arithmetic number, because the mean of its divisors is an integer number (311698800).

Almost surely, 2^1246530013 is an apocalyptic number.

It is an amenable number.

1246530013 is a deficient number, since it is larger than the sum of its proper divisors (265187).

1246530013 is an equidigital number, since it uses as much as digits as its factorization.

1246530013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265186.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1246530013 is about 35306.2319286553. The cubic root of 1246530013 is about 1076.2196398570.

Adding to 1246530013 its reverse (3100356421), we get a palindrome (4346886434).

The spelling of 1246530013 in words is "one billion, two hundred forty-six million, five hundred thirty thousand, thirteen".