1317274628 has 12 divisors (see below), whose sum is σ = 2305801680. Its totient is φ = 658474152.

The previous prime is 1317274613. The next prime is 1317274649. The reversal of 1317274628 is 8264727131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21626 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (192150140).

Almost surely, 2^1317274628 is an apocalyptic number.

It is an amenable number.

1317274628 is a deficient number, since it is larger than the sum of its proper divisors (988527052).

1317274628 is a wasteful number, since it uses less digits than its factorization.

1317274628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81586 (or 81584 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 1317274628 is about 36294.2781716347. The cubic root of 1317274628 is about 1096.2058338347.

The spelling of 1317274628 in words is "one billion, three hundred seventeen million, two hundred seventy-four thousand, six hundred twenty-eight".