1323629 has 2 divisors, whose sum is σ = 1323630. Its totient is φ = 1323628.

The previous prime is 1323611. The next prime is 1323649. The reversal of 1323629 is 9263231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 62500 = 1123^2 + 250^2 .

It is an emirp because it is prime and its reverse (9263231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323629 - 2⁸ = 1323373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1323598 and 1323607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661814 + 661815.

It is an arithmetic number, because the mean of its divisors is an integer number (661815).

2^1323629 is an apocalyptic number.

It is an amenable number.

1323629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323629 is an equidigital number, since it uses as much as digits as its factorization.

1323629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 1323629 is about 1150.4907648478. The cubic root of 1323629 is about 109.7965661504.

The spelling of 1323629 in words is "one million, three hundred twenty-three thousand, six hundred twenty-nine".