1327690 has 32 divisors (see below), whose sum is σ = 2943360. Its totient is φ = 419904.

The previous prime is 1327679. The next prime is 1327709. The reversal of 1327690 is 967231.

It is a super-2 number, since 2×1327690² = 3525521472200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 181 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (91980).

2^1327690 is an apocalyptic number.

1327690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1327690 is an abundant number, since it is smaller than the sum of its proper divisors (1615670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327690 is a wasteful number, since it uses less digits than its factorization.

1327690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1327690 is about 1152.2543122072. The cubic root of 1327690 is about 109.9087397349.

It can be divided in two parts, 13276 and 90, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 1327690 in words is "one million, three hundred twenty-seven thousand, six hundred ninety".