1323207 has 12 divisors (see below), whose sum is σ = 1922544. Its totient is φ = 876960.

The previous prime is 1323199. The next prime is 1323221. The reversal of 1323207 is 7023231.

It is not a de Polignac number, because 1323207 - 2³ = 1323199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1782 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (160212).

2^1323207 is an apocalyptic number.

1323207 is a deficient number, since it is larger than the sum of its proper divisors (599337).

1323207 is a wasteful number, since it uses less digits than its factorization.

1323207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1323207 is about 1150.3073502330. The cubic root of 1323207 is about 109.7848964464.

Adding to 1323207 its reverse (7023231), we get a palindrome (8346438).

It can be divided in two parts, 132 and 3207, that multiplied together give a palindrome (423324).

The spelling of 1323207 in words is "one million, three hundred twenty-three thousand, two hundred seven".