1327641 has 16 divisors (see below), whose sum is σ = 2039808. Its totient is φ = 752400.

The previous prime is 1327631. The next prime is 1327673. The reversal of 1327641 is 1467231.

It is not a de Polignac number, because 1327641 - 2⁶ = 1327577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1327631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3846 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (127488).

2^1327641 is an apocalyptic number.

It is an amenable number.

1327641 is a deficient number, since it is larger than the sum of its proper divisors (712167).

1327641 is a wasteful number, since it uses less digits than its factorization.

1327641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 1008, while the sum is 24.

The square root of 1327641 is about 1152.2330493438. The cubic root of 1327641 is about 109.9073876134.

The spelling of 1327641 in words is "one million, three hundred twenty-seven thousand, six hundred forty-one".