1311416 has 8 divisors (see below), whose sum is σ = 2458920. Its totient is φ = 655704.

The previous prime is 1311407. The next prime is 1311419. The reversal of 1311416 is 6141131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1311394 and 1311403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81956 + ... + 81971.

It is an arithmetic number, because the mean of its divisors is an integer number (307365).

2^1311416 is an apocalyptic number.

It is an amenable number.

1311416 is a deficient number, since it is larger than the sum of its proper divisors (1147504).

1311416 is a wasteful number, since it uses less digits than its factorization.

1311416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163933 (or 163929 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1311416 is about 1145.1707296294. The cubic root of 1311416 is about 109.4578279809.

Adding to 1311416 its reverse (6141131), we get a palindrome (7452547).

The spelling of 1311416 in words is "one million, three hundred eleven thousand, four hundred sixteen".