1313655 has 16 divisors (see below), whose sum is σ = 2402304. Its totient is φ = 600480.

The previous prime is 1313651. The next prime is 1313657. The reversal of 1313655 is 5563131.

It is not a de Polignac number, because 1313655 - 2² = 1313651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6151 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (150144).

2^1313655 is an apocalyptic number.

1313655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313655 is a deficient number, since it is larger than the sum of its proper divisors (1088649).

1313655 is a wasteful number, since it uses less digits than its factorization.

1313655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12526.

The product of its digits is 1350, while the sum is 24.

The square root of 1313655 is about 1146.1478962158. The cubic root of 1313655 is about 109.5200855547.

Adding to 1313655 its reverse (5563131), we get a palindrome (6876786).

The spelling of 1313655 in words is "one million, three hundred thirteen thousand, six hundred fifty-five".