1311007 has 4 divisors (see below), whose sum is σ = 1329040. Its totient is φ = 1292976.

The previous prime is 1311001. The next prime is 1311029. The reversal of 1311007 is 7001131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1311007 - 2³ = 1310999 is a prime.

It is a Duffinian 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, 8907 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (332260).

2^1311007 is an apocalyptic number.

1311007 is a deficient number, since it is larger than the sum of its proper divisors (18033).

1311007 is an equidigital number, since it uses as much as digits as its factorization.

1311007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 1311007 is about 1144.9921397110. The cubic root of 1311007 is about 109.4464476850.

Adding to 1311007 its reverse (7001131), we get a palindrome (8312138).

The spelling of 1311007 in words is "one million, three hundred eleven thousand, seven".