1313963 has 8 divisors (see below), whose sum is σ = 1508832. Its totient is φ = 1120896.

The previous prime is 1313959. The next prime is 1313987. The reversal of 1313963 is 3693131.

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

It is not a de Polignac number, because 1313963 - 2² = 1313959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313953) 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, 2081 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (188604).

2^1313963 is an apocalyptic number.

1313963 is a deficient number, since it is larger than the sum of its proper divisors (194869).

1313963 is an equidigital number, since it uses as much as digits as its factorization.

1313963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its digits is 1458, while the sum is 26.

The square root of 1313963 is about 1146.2822514547. The cubic root of 1313963 is about 109.5286442580.

The spelling of 1313963 in words is "one million, three hundred thirteen thousand, nine hundred sixty-three".