1232513 has 4 divisors (see below), whose sum is σ = 1241520. Its totient is φ = 1223508.

The previous prime is 1232477. The next prime is 1232527. The reversal of 1232513 is 3152321.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232491 and 1232500.

It is not an unprimeable number, because it can be changed into a prime (1232563) 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, 4295 + ... + 4572.

It is an arithmetic number, because the mean of its divisors is an integer number (310380).

2^1232513 is an apocalyptic number.

It is an amenable number.

1232513 is a deficient number, since it is larger than the sum of its proper divisors (9007).

1232513 is an equidigital number, since it uses as much as digits as its factorization.

1232513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

The product of its digits is 180, while the sum is 17.

The square root of 1232513 is about 1110.1860204488. The cubic root of 1232513 is about 107.2170456763.

Adding to 1232513 its reverse (3152321), we get a palindrome (4384834).

The spelling of 1232513 in words is "one million, two hundred thirty-two thousand, five hundred thirteen".