1312016 has 20 divisors (see below), whose sum is σ = 2602512. Its totient is φ = 640416.

The previous prime is 1312001. The next prime is 1312019. The reversal of 1312016 is 6102131.

It is not an unprimeable number, because it can be changed into a prime (1312019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266 + ... + 1641.

2^1312016 is an apocalyptic number.

1312016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1312016 is a deficient number, since it is larger than the sum of its proper divisors (1290496).

1312016 is a wasteful number, since it uses less digits than its factorization.

1312016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312016 is about 1145.4326693438. The cubic root of 1312016 is about 109.4745185107.

Adding to 1312016 its reverse (6102131), we get a palindrome (7414147).

The spelling of 1312016 in words is "one million, three hundred twelve thousand, sixteen".