1326957 has 4 divisors (see below), whose sum is σ = 1769280. Its totient is φ = 884636.

The previous prime is 1326947. The next prime is 1326967. The reversal of 1326957 is 7596231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1326947) and next prime (1326967).

It is a cyclic number.

It is not a de Polignac number, because 1326957 - 2⁸ = 1326701 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221157 + ... + 221162.

It is an arithmetic number, because the mean of its divisors is an integer number (442320).

2^1326957 is an apocalyptic number.

It is an amenable number.

1326957 is a deficient number, since it is larger than the sum of its proper divisors (442323).

1326957 is an equidigital number, since it uses as much as digits as its factorization.

1326957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442322.

The product of its digits is 11340, while the sum is 33.

The square root of 1326957 is about 1151.9361961498. The cubic root of 1326957 is about 109.8885096268. Note that the first 3 decimals are identical.

The spelling of 1326957 in words is "one million, three hundred twenty-six thousand, nine hundred fifty-seven".