1313642 has 24 divisors (see below), whose sum is σ = 2257632. Its totient is φ = 568400.

The previous prime is 1313633. The next prime is 1313651. The reversal of 1313642 is 2463131.

It is an interprime number because it is at equal distance from previous prime (1313633) and next prime (1313651).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18467 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (94068).

2^1313642 is an apocalyptic number.

1313642 is a deficient number, since it is larger than the sum of its proper divisors (943990).

1313642 is a wasteful number, since it uses less digits than its factorization.

1313642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 113 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1313642 is about 1146.1422250314. The cubic root of 1313642 is about 109.5197242813.

Adding to 1313642 its reverse (2463131), we get a palindrome (3776773).

It can be divided in two parts, 131 and 3642, that added together give a palindrome (3773).

The spelling of 1313642 in words is "one million, three hundred thirteen thousand, six hundred forty-two".