1310263 has 4 divisors (see below), whose sum is σ = 1323088. Its totient is φ = 1297440.

The previous prime is 1310261. The next prime is 1310269. The reversal of 1310263 is 3620131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310263 - 2¹ = 1310261 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 (1310261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6258 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (330772).

2^1310263 is an apocalyptic number.

1310263 is a deficient number, since it is larger than the sum of its proper divisors (12825).

1310263 is a wasteful number, since it uses less digits than its factorization.

1310263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1310263 is about 1144.6672005435. The cubic root of 1310263 is about 109.4257400494.

Adding to 1310263 its reverse (3620131), we get a palindrome (4930394).

The spelling of 1310263 in words is "one million, three hundred ten thousand, two hundred sixty-three".