1318601 has 8 divisors (see below), whose sum is σ = 1398600. Its totient is φ = 1240960.

The previous prime is 1318579. The next prime is 1318609. The reversal of 1318601 is 1068131.

It can be written as a sum of positive squares in 4 ways, for example, as 55225 + 1263376 = 235^2 + 1124^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1318601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (174825).

2^1318601 is an apocalyptic number.

It is an amenable number.

1318601 is a deficient number, since it is larger than the sum of its proper divisors (79999).

1318601 is a wasteful number, since it uses less digits than its factorization.

1318601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1318601 is about 1148.3035313017. The cubic root of 1318601 is about 109.6573635901.

The spelling of 1318601 in words is "one million, three hundred eighteen thousand, six hundred one".