1329707 has 2 divisors, whose sum is σ = 1329708. Its totient is φ = 1329706.

The previous prime is 1329703. The next prime is 1329709. The reversal of 1329707 is 7079231.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7079231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1329707 - 2² = 1329703 is a prime.

Together with 1329709, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1329707.

It is not a weakly prime, because it can be changed into another prime (1329701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664853 + 664854.

It is an arithmetic number, because the mean of its divisors is an integer number (664854).

2^1329707 is an apocalyptic number.

1329707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329707 is an equidigital number, since it uses as much as digits as its factorization.

1329707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1329707 is about 1153.1292208595. The cubic root of 1329707 is about 109.9643686248.

The spelling of 1329707 in words is "one million, three hundred twenty-nine thousand, seven hundred seven".