1323136 has 16 divisors (see below), whose sum is σ = 2636190. Its totient is φ = 661504.

The previous prime is 1323131. The next prime is 1323137. The reversal of 1323136 is 6313231.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 14400 = 1144^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1323131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5041 + ... + 5296.

2^1323136 is an apocalyptic number.

1323136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1323136 is a deficient number, since it is larger than the sum of its proper divisors (1313054).

1323136 is an equidigital number, since it uses as much as digits as its factorization.

1323136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351 (or 10339 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 1323136 is about 1150.2764885018. The cubic root of 1323136 is about 109.7829328164.

Adding to 1323136 its reverse (6313231), we get a palindrome (7636367).

The spelling of 1323136 in words is "one million, three hundred twenty-three thousand, one hundred thirty-six".