1317861412 has 24 divisors (see below), whose sum is σ = 2706960704. Its totient is φ = 549532512.

The previous prime is 1317861407. The next prime is 1317861421. The reversal of 1317861412 is 2141687131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634998 + ... + 637069.

Almost surely, 2^1317861412 is an apocalyptic number.

It is an amenable number.

1317861412 is an abundant number, since it is smaller than the sum of its proper divisors (1389099292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317861412 is a wasteful number, since it uses less digits than its factorization.

1317861412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272115 (or 1272113 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 1317861412 is about 36302.3609700526. The cubic root of 1317861412 is about 1096.3685790825.

The spelling of 1317861412 in words is "one billion, three hundred seventeen million, eight hundred sixty-one thousand, four hundred twelve".