1238313 has 4 divisors (see below), whose sum is σ = 1651088. Its totient is φ = 825540.

The previous prime is 1238291. The next prime is 1238317. The reversal of 1238313 is 3138321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1238313 - 2¹⁶ = 1172777 is a prime.

It is a D-number.

It is a Duffinian number.

1238313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1238313.

It is not an unprimeable number, because it can be changed into a prime (1238317) 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, 206383 + ... + 206388.

It is an arithmetic number, because the mean of its divisors is an integer number (412772).

2^1238313 is an apocalyptic number.

It is an amenable number.

1238313 is a deficient number, since it is larger than the sum of its proper divisors (412775).

1238313 is an equidigital number, since it uses as much as digits as its factorization.

1238313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412774.

The product of its digits is 432, while the sum is 21.

The square root of 1238313 is about 1112.7951293926. The cubic root of 1238313 is about 107.3849643791.

It can be divided in two parts, 1238 and 313, that added together give a palindrome (1551).

The spelling of 1238313 in words is "one million, two hundred thirty-eight thousand, three hundred thirteen".