1392513 has 4 divisors (see below), whose sum is σ = 1856688. Its totient is φ = 928340.

The previous prime is 1392497. The next prime is 1392527. The reversal of 1392513 is 3152931.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3152931 = 3 ⋅1050977.

It is a cyclic number.

It is not a de Polignac number, because 1392513 - 2⁴ = 1392497 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1392553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232083 + ... + 232088.

It is an arithmetic number, because the mean of its divisors is an integer number (464172).

2^1392513 is an apocalyptic number.

It is an amenable number.

1392513 is a deficient number, since it is larger than the sum of its proper divisors (464175).

1392513 is an equidigital number, since it uses as much as digits as its factorization.

1392513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464174.

The product of its digits is 810, while the sum is 24.

The square root of 1392513 is about 1180.0478803845. The cubic root of 1392513 is about 111.6691180373.

The spelling of 1392513 in words is "one million, three hundred ninety-two thousand, five hundred thirteen".