1329868 has 6 divisors (see below), whose sum is σ = 2327276. Its totient is φ = 664932.

The previous prime is 1329863. The next prime is 1329871. The reversal of 1329868 is 8689231.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1329863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166230 + ... + 166237.

2^1329868 is an apocalyptic number.

It is an amenable number.

1329868 is a deficient number, since it is larger than the sum of its proper divisors (997408).

1329868 is a wasteful number, since it uses less digits than its factorization.

1329868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332471 (or 332469 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1329868 is about 1153.1990287890. The cubic root of 1329868 is about 109.9688065821.

It can be divided in two parts, 13298 and 68, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 1329868 in words is "one million, three hundred twenty-nine thousand, eight hundred sixty-eight".