1340367 has 16 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 755712.

The previous prime is 1340363. The next prime is 1340369. The reversal of 1340367 is 7630431.

It is not a de Polignac number, because 1340367 - 2² = 1340363 is a prime.

1340367 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

2^1340367 is an apocalyptic number.

1340367 is a deficient number, since it is larger than the sum of its proper divisors (729393).

1340367 is an equidigital number, since it uses as much as digits as its factorization.

1340367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1340367 is about 1157.7421992827. The cubic root of 1340367 is about 110.2574410987.

Adding to 1340367 its reverse (7630431), we get a palindrome (8970798).

Subtracting 1340367 from its reverse (7630431), we obtain a square (6290064 = 2508²).

The spelling of 1340367 in words is "one million, three hundred forty thousand, three hundred sixty-seven".