1320016 has 40 divisors (see below), whose sum is σ = 2839104. Its totient is φ = 591360.

The previous prime is 1319963. The next prime is 1320019. The reversal of 1320016 is 6100231.

1320016 is nontrivially palindromic in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1319978 and 1320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6151 + ... + 6361.

2^1320016 is an apocalyptic number.

1320016 is a gapful number since it is divisible by the number (16) 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 1320016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419552).

1320016 is an abundant number, since it is smaller than the sum of its proper divisors (1519088).

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

1320016 is a wasteful number, since it uses less digits than its factorization.

1320016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1320016 is about 1148.9194923927. The cubic root of 1320016 is about 109.6965742636.

Adding to 1320016 its reverse (6100231), we get a palindrome (7420247).

The spelling of 1320016 in words is "one million, three hundred twenty thousand, sixteen".