1318426 has 8 divisors (see below), whose sum is σ = 2007360. Its totient is φ = 649308.

The previous prime is 1318411. The next prime is 1318441. The reversal of 1318426 is 6248131.

It is an interprime number because it is at equal distance from previous prime (1318411) and next prime (1318441).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1318426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (250920).

2^1318426 is an apocalyptic number.

1318426 is a deficient number, since it is larger than the sum of its proper divisors (688934).

1318426 is an equidigital number, since it uses as much as digits as its factorization.

1318426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908.

The product of its digits is 1152, while the sum is 25.

The square root of 1318426 is about 1148.2273294082. The cubic root of 1318426 is about 109.6525122647.

The spelling of 1318426 in words is "one million, three hundred eighteen thousand, four hundred twenty-six".