1289480013 has 8 divisors (see below), whose sum is σ = 1910340800. Its totient is φ = 859653324.

The previous prime is 1289480009. The next prime is 1289480033. The reversal of 1289480013 is 3100849821.

It is not a de Polignac number, because 1289480013 - 2² = 1289480009 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 1289480013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289480033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23879233 + ... + 23879286.

It is an arithmetic number, because the mean of its divisors is an integer number (238792600).

Almost surely, 2^1289480013 is an apocalyptic number.

It is an amenable number.

1289480013 is a deficient number, since it is larger than the sum of its proper divisors (620860787).

1289480013 is an equidigital number, since it uses as much as digits as its factorization.

1289480013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47758528 (or 47758522 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1289480013 is about 35909.3304448858. The cubic root of 1289480013 is about 1088.4409473332.

The spelling of 1289480013 in words is "one billion, two hundred eighty-nine million, four hundred eighty thousand, thirteen".