1317447045 has 32 divisors (see below), whose sum is σ = 2479904640. Its totient is φ = 661305600.

The previous prime is 1317447013. The next prime is 1317447059. The reversal of 1317447045 is 5407447131.

1317447045 is a `hidden beast` number, since 13 + 174 + 470 + 4 + 5 = 666.

It is not a de Polignac number, because 1317447045 - 2⁵ = 1317447013 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284731 + ... + 289320.

It is an arithmetic number, because the mean of its divisors is an integer number (77497020).

Almost surely, 2^1317447045 is an apocalyptic number.

1317447045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1317447045 is a deficient number, since it is larger than the sum of its proper divisors (1162457595).

1317447045 is a wasteful number, since it uses less digits than its factorization.

1317447045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574082 (or 574076 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1317447045 is about 36296.6533581266. The cubic root of 1317447045 is about 1096.2536589102.

The spelling of 1317447045 in words is "one billion, three hundred seventeen million, four hundred forty-seven thousand, forty-five".