1290326 has 8 divisors (see below), whose sum is σ = 2002320. Its totient is φ = 622888.

The previous prime is 1290319. The next prime is 1290329. The reversal of 1290326 is 6230921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11066 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (250290).

2^1290326 is an apocalyptic number.

1290326 is a deficient number, since it is larger than the sum of its proper divisors (711994).

1290326 is a wasteful number, since it uses less digits than its factorization.

1290326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22278.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1290326 is about 1135.9251735920. The cubic root of 1290326 is about 108.8678925843.

The spelling of 1290326 in words is "one million, two hundred ninety thousand, three hundred twenty-six".