1217483013 has 4 divisors (see below), whose sum is σ = 1623310688. Its totient is φ = 811655340.

The previous prime is 1217483011. The next prime is 1217483027. The reversal of 1217483013 is 3103847121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3103847121 = 3 ⋅1034615707.

It is not a de Polignac number, because 1217483013 - 2¹ = 1217483011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217483011) 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, 202913833 + ... + 202913838.

It is an arithmetic number, because the mean of its divisors is an integer number (405827672).

Almost surely, 2^1217483013 is an apocalyptic number.

It is an amenable number.

1217483013 is a deficient number, since it is larger than the sum of its proper divisors (405827675).

1217483013 is an equidigital number, since it uses as much as digits as its factorization.

1217483013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405827674.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1217483013 is about 34892.4492261578. The cubic root of 1217483013 is about 1067.7943948706.

The spelling of 1217483013 in words is "one billion, two hundred seventeen million, four hundred eighty-three thousand, thirteen".