1320337 has 2 divisors, whose sum is σ = 1320338. Its totient is φ = 1320336.

The previous prime is 1320331. The next prime is 1320343. The reversal of 1320337 is 7330231.

It is a balanced prime because it is at equal distance from previous prime (1320331) and next prime (1320343).

It can be written as a sum of positive squares in only one way, i.e., 665856 + 654481 = 816^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320337 - 2¹⁵ = 1287569 is a prime.

It is equal to p₁₀₁₄₅₈ and since 1320337 and 101458 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1320331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660168 + 660169.

It is an arithmetic number, because the mean of its divisors is an integer number (660169).

2^1320337 is an apocalyptic number.

It is an amenable number.

1320337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320337 is an equidigital number, since it uses as much as digits as its factorization.

1320337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1320337 is about 1149.0591803732. The cubic root of 1320337 is about 109.7054655059.

Adding to 1320337 its reverse (7330231), we get a palindrome (8650568).

The spelling of 1320337 in words is "one million, three hundred twenty thousand, three hundred thirty-seven".