1311004 has 12 divisors (see below), whose sum is σ = 2302384. Its totient is φ = 653184.

The previous prime is 1311001. The next prime is 1311029. The reversal of 1311004 is 4001131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612 + ... + 2284.

2^1311004 is an apocalyptic number.

It is an amenable number.

1311004 is a deficient number, since it is larger than the sum of its proper divisors (991380).

1311004 is a wasteful number, since it uses less digits than its factorization.

1311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1311004 is about 1144.9908296576. The cubic root of 1311004 is about 109.4463642022.

Adding to 1311004 its reverse (4001131), we get a palindrome (5312135).

The spelling of 1311004 in words is "one million, three hundred eleven thousand, four".