1217102613 has 8 divisors (see below), whose sum is σ = 1623000288. Its totient is φ = 811303344.

The previous prime is 1217102597. The next prime is 1217102617. The reversal of 1217102613 is 3162017121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1217102613 - 2⁴ = 1217102597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217102617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12070 + ... + 50792.

It is an arithmetic number, because the mean of its divisors is an integer number (202875036).

Almost surely, 2^1217102613 is an apocalyptic number.

It is an amenable number.

1217102613 is a deficient number, since it is larger than the sum of its proper divisors (405897675).

1217102613 is a wasteful number, since it uses less digits than its factorization.

1217102613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49203.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1217102613 is about 34886.9977642101. The cubic root of 1217102613 is about 1067.6831732505.

Adding to 1217102613 its reverse (3162017121), we get a palindrome (4379119734).

The spelling of 1217102613 in words is "one billion, two hundred seventeen million, one hundred two thousand, six hundred thirteen".