1340067 has 16 divisors (see below), whose sum is σ = 1860480. Its totient is φ = 857472.

The previous prime is 1340047. The next prime is 1340069. The reversal of 1340067 is 7600431.

It is not a de Polignac number, because 1340067 - 2²⁰ = 291491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11803 + ... + 11915.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

2^1340067 is an apocalyptic number.

1340067 is a deficient number, since it is larger than the sum of its proper divisors (520413).

1340067 is a wasteful number, since it uses less digits than its factorization.

With its successor (1340068) it forms an eRAP, since the sums of their prime factors are consecutive (242 and 243).

1340067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1340067 is about 1157.6126295095. The cubic root of 1340067 is about 110.2492145706.

Adding to 1340067 its reverse (7600431), we get a palindrome (8940498).

The spelling of 1340067 in words is "one million, three hundred forty thousand, sixty-seven".