1329912 has 64 divisors (see below), whose sum is σ = 3801600. Its totient is φ = 430560.

The previous prime is 1329907. The next prime is 1329941. The reversal of 1329912 is 2199231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10087 + ... + 10217.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2^1329912 is an apocalyptic number.

1329912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900800).

1329912 is an abundant number, since it is smaller than the sum of its proper divisors (2471688).

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

1329912 is a wasteful number, since it uses less digits than its factorization.

1329912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 183 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1329912 is about 1153.2181059973. The cubic root of 1329912 is about 109.9700193777.

The spelling of 1329912 in words is "one million, three hundred twenty-nine thousand, nine hundred twelve".