1340495 has 16 divisors (see below), whose sum is σ = 1778112. Its totient is φ = 963840.

The previous prime is 1340491. The next prime is 1340497. The reversal of 1340495 is 5940431.

It is not a de Polignac number, because 1340495 - 2² = 1340491 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 (1340491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (111132).

2^1340495 is an apocalyptic number.

1340495 is a deficient number, since it is larger than the sum of its proper divisors (437617).

1340495 is a wasteful number, since it uses less digits than its factorization.

1340495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1340495 is about 1157.7974779727. The cubic root of 1340495 is about 110.2609507105.

The spelling of 1340495 in words is "one million, three hundred forty thousand, four hundred ninety-five".