1213417513 has 8 divisors (see below), whose sum is σ = 1512832320. Its totient is φ = 945520080.

The previous prime is 1213417489. The next prime is 1213417529. The reversal of 1213417513 is 3157143121.

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 1213417513 - 2²¹ = 1211320361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213412513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7879258 + ... + 7879411.

It is an arithmetic number, because the mean of its divisors is an integer number (189104040).

Almost surely, 2^1213417513 is an apocalyptic number.

It is an amenable number.

1213417513 is a deficient number, since it is larger than the sum of its proper divisors (299414807).

1213417513 is a wasteful number, since it uses less digits than its factorization.

1213417513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15758687.

The product of its digits is 2520, while the sum is 28.

The square root of 1213417513 is about 34834.1429204165. The cubic root of 1213417513 is about 1066.6045195020.

The spelling of 1213417513 in words is "one billion, two hundred thirteen million, four hundred seventeen thousand, five hundred thirteen".