1313858 has 16 divisors (see below), whose sum is σ = 2425920. Its totient is φ = 519696.

The previous prime is 1313857. The next prime is 1313863. The reversal of 1313858 is 8583131.

1313858 is nontrivially palindromic in base 5 and base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 1313858.

It is not an unprimeable number, because it can be changed into a prime (1313857) 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, 3428 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (151620).

2^1313858 is an apocalyptic number.

1313858 is a deficient number, since it is larger than the sum of its proper divisors (1112062).

1313858 is a wasteful number, since it uses less digits than its factorization.

1313858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241.

The product of its digits is 2880, while the sum is 29.

The square root of 1313858 is about 1146.2364503016. The cubic root of 1313858 is about 109.5257266685.

Adding to 1313858 its reverse (8583131), we get a palindrome (9896989).

The spelling of 1313858 in words is "one million, three hundred thirteen thousand, eight hundred fifty-eight".