1290339 has 12 divisors (see below), whose sum is σ = 1873872. Its totient is φ = 855600.

The previous prime is 1290329. The next prime is 1290371. The reversal of 1290339 is 9330921.

It is not a de Polignac number, because 1290339 - 2⁸ = 1290083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1290319) 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, 2569 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

2^1290339 is an apocalyptic number.

1290339 is a deficient number, since it is larger than the sum of its proper divisors (583533).

1290339 is a wasteful number, since it uses less digits than its factorization.

1290339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1290339 is about 1135.9308957855. The cubic root of 1290339 is about 108.8682581967.

The spelling of 1290339 in words is "one million, two hundred ninety thousand, three hundred thirty-nine".