1317005426 has 16 divisors (see below), whose sum is σ = 2224620288. Its totient is φ = 579327600.

The previous prime is 1317005411. The next prime is 1317005429. The reversal of 1317005426 is 6245007131.

It is a super-2 number, since 2×1317005426² = 3469006584226882952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1317005429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964865 + ... + 966228.

It is an arithmetic number, because the mean of its divisors is an integer number (139038768).

Almost surely, 2^1317005426 is an apocalyptic number.

1317005426 is a deficient number, since it is larger than the sum of its proper divisors (907614862).

1317005426 is a wasteful number, since it uses less digits than its factorization.

1317005426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931137.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1317005426 is about 36290.5693810389. The cubic root of 1317005426 is about 1096.1311541636.

The spelling of 1317005426 in words is "one billion, three hundred seventeen million, five thousand, four hundred twenty-six".