1317406790 has 16 divisors (see below), whose sum is σ = 2710094112. Its totient is φ = 451682304.

The previous prime is 1317406763. The next prime is 1317406801. The reversal of 1317406790 is 976047131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9409979 + ... + 9410118.

It is an arithmetic number, because the mean of its divisors is an integer number (169380882).

Almost surely, 2^1317406790 is an apocalyptic number.

1317406790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317406790 is an abundant number, since it is smaller than the sum of its proper divisors (1392687322).

1317406790 is a wasteful number, since it uses less digits than its factorization.

1317406790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820111.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1317406790 is about 36296.0988261824. The cubic root of 1317406790 is about 1096.2424933405.

The spelling of 1317406790 in words is "one billion, three hundred seventeen million, four hundred six thousand, seven hundred ninety".