1317673245 has 16 divisors (see below), whose sum is σ = 2409459840. Its totient is φ = 602364864.

The previous prime is 1317673229. The next prime is 1317673271. The reversal of 1317673245 is 5423767131.

It is not a de Polignac number, because 1317673245 - 2⁴ = 1317673229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6274530 + ... + 6274739.

It is an arithmetic number, because the mean of its divisors is an integer number (150591240).

Almost surely, 2^1317673245 is an apocalyptic number.

1317673245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1317673245 is a deficient number, since it is larger than the sum of its proper divisors (1091786595).

1317673245 is a wasteful number, since it uses less digits than its factorization.

1317673245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549284.

The product of its digits is 105840, while the sum is 39.

The square root of 1317673245 is about 36299.7692141424. The cubic root of 1317673245 is about 1096.3163960016.

The spelling of 1317673245 in words is "one billion, three hundred seventeen million, six hundred seventy-three thousand, two hundred forty-five".