1344865 has 4 divisors (see below), whose sum is σ = 1613844. Its totient is φ = 1075888.

The previous prime is 1344859. The next prime is 1344869. The reversal of 1344865 is 5684431.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279841 + 1065024 = 529^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344865 - 2³ = 1344857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344869) 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, 134482 + ... + 134491.

It is an arithmetic number, because the mean of its divisors is an integer number (403461).

2^1344865 is an apocalyptic number.

It is an amenable number.

1344865 is a deficient number, since it is larger than the sum of its proper divisors (268979).

1344865 is an equidigital number, since it uses as much as digits as its factorization.

1344865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268978.

The product of its digits is 11520, while the sum is 31.

The square root of 1344865 is about 1159.6831463809. The cubic root of 1344865 is about 110.3806372697.

It can be divided in two parts, 1344 and 865, that added together give a square (2209 = 47²).

The spelling of 1344865 in words is "one million, three hundred forty-four thousand, eight hundred sixty-five".