1332816 has 20 divisors (see below), whose sum is σ = 3443232. Its totient is φ = 444256.

The previous prime is 1332803. The next prime is 1332823. The reversal of 1332816 is 6182331.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 13836 + ... + 13931.

2^1332816 is an apocalyptic number.

1332816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1332816 is an abundant number, since it is smaller than the sum of its proper divisors (2110416).

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

1332816 is a wasteful number, since it uses less digits than its factorization.

1332816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778 (or 27772 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1332816 is about 1154.4765047414. The cubic root of 1332816 is about 110.0500048131.

The spelling of 1332816 in words is "one million, three hundred thirty-two thousand, eight hundred sixteen".