1312717275 has 18 divisors (see below), whose sum is σ = 2351222900. Its totient is φ = 700115760.

The previous prime is 1312717247. The next prime is 1312717297. The reversal of 1312717275 is 5727172131.

It is a happy number.

1312717275 is a `hidden beast` number, since 1 + 312 + 71 + 7 + 275 = 666.

It is not a de Polignac number, because 1312717275 - 2⁹ = 1312716763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2916925 + ... + 2917374.

Almost surely, 2^1312717275 is an apocalyptic number.

1312717275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312717275 is a deficient number, since it is larger than the sum of its proper divisors (1038505625).

1312717275 is a wasteful number, since it uses less digits than its factorization.

1312717275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834315 (or 5834307 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 1312717275 is about 36231.4404212695. The cubic root of 1312717275 is about 1094.9401981477.

The spelling of 1312717275 in words is "one billion, three hundred twelve million, seven hundred seventeen thousand, two hundred seventy-five".