1311814 has 8 divisors (see below), whose sum is σ = 2248848. Its totient is φ = 562200.

The previous prime is 1311799. The next prime is 1311829. The reversal of 1311814 is 4181131.

1311814 = T₂₉₂ + T₂₉₃ + ... + T₃₁₉.

It is an interprime number because it is at equal distance from previous prime (1311799) and next prime (1311829).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311791 and 1311800.

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, 46837 + ... + 46864.

It is an arithmetic number, because the mean of its divisors is an integer number (281106).

2^1311814 is an apocalyptic number.

1311814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311814 is a deficient number, since it is larger than the sum of its proper divisors (937034).

1311814 is an equidigital number, since it uses as much as digits as its factorization.

1311814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93710.

The product of its digits is 96, while the sum is 19.

The square root of 1311814 is about 1145.3444896624. The cubic root of 1311814 is about 109.4688999340.

Adding to 1311814 its reverse (4181131), we get a palindrome (5492945).

The spelling of 1311814 in words is "one million, three hundred eleven thousand, eight hundred fourteen".