1173317013 has 48 divisors (see below), whose sum is σ = 1951460160. Its totient is φ = 671846400.

The previous prime is 1173316979. The next prime is 1173317017. The reversal of 1173317013 is 3107133711.

It is a happy number.

It is not a de Polignac number, because 1173317013 - 2¹⁰ = 1173315989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173317017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1017045 + ... + 1018197.

It is an arithmetic number, because the mean of its divisors is an integer number (40655420).

Almost surely, 2^1173317013 is an apocalyptic number.

It is an amenable number.

1173317013 is a deficient number, since it is larger than the sum of its proper divisors (778143147).

1173317013 is a wasteful number, since it uses less digits than its factorization.

1173317013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 1173317013 is about 34253.7153167361. The cubic root of 1173317013 is about 1054.7230955703.

The spelling of 1173317013 in words is "one billion, one hundred seventy-three million, three hundred seventeen thousand, thirteen".