1392313 has 4 divisors (see below), whose sum is σ = 1499428. Its totient is φ = 1285200.

The previous prime is 1392311. The next prime is 1392323. The reversal of 1392313 is 3132931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3132931 = 541 ⋅5791.

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 1281424 = 333^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392313 - 2¹ = 1392311 is a prime.

It is a Duffinian number.

1392313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1392311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53538 + ... + 53563.

It is an arithmetic number, because the mean of its divisors is an integer number (374857).

2^1392313 is an apocalyptic number.

1392313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1392313 is a deficient number, since it is larger than the sum of its proper divisors (107115).

1392313 is a wasteful number, since it uses less digits than its factorization.

1392313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107114.

The product of its digits is 486, while the sum is 22.

The square root of 1392313 is about 1179.9631350174. The cubic root of 1392313 is about 111.6637716138.

The spelling of 1392313 in words is "one million, three hundred ninety-two thousand, three hundred thirteen".