1318412771 has 6 divisors (see below), whose sum is σ = 1427630580. Its totient is φ = 1216996248.

The previous prime is 1318412741. The next prime is 1318412779. The reversal of 1318412771 is 1772148131.

It is not a de Polignac number, because 1318412771 - 2⁶ = 1318412707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1318412779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3900461 + ... + 3900798.

It is an arithmetic number, because the mean of its divisors is an integer number (237938430).

Almost surely, 2^1318412771 is an apocalyptic number.

1318412771 is a deficient number, since it is larger than the sum of its proper divisors (109217809).

1318412771 is an equidigital number, since it uses as much as digits as its factorization.

1318412771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801285 (or 7801272 counting only the distinct ones).

The product of its digits is 9408, while the sum is 35.

The square root of 1318412771 is about 36309.9541586050. The cubic root of 1318412771 is about 1096.5214551477.

The spelling of 1318412771 in words is "one billion, three hundred eighteen million, four hundred twelve thousand, seven hundred seventy-one".