1339817 has 2 divisors, whose sum is σ = 1339818. Its totient is φ = 1339816.

The previous prime is 1339813. The next prime is 1339843. The reversal of 1339817 is 7189331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1336336 + 3481 = 1156^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339817 - 2² = 1339813 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669908 + 669909.

It is an arithmetic number, because the mean of its divisors is an integer number (669909).

2^1339817 is an apocalyptic number.

It is an amenable number.

1339817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339817 is an equidigital number, since it uses as much as digits as its factorization.

1339817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 1339817 is about 1157.5046436192. The cubic root of 1339817 is about 110.2423581926.

The spelling of 1339817 in words is "one million, three hundred thirty-nine thousand, eight hundred seventeen".