1342665 has 12 divisors (see below), whose sum is σ = 2327364. Its totient is φ = 716064.

The previous prime is 1342661. The next prime is 1342667. The reversal of 1342665 is 5662431.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 1115136 = 477^2 + 1056^2 .

It is not a de Polignac number, because 1342665 - 2² = 1342661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342661) 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 11 ways as a sum of consecutive naturals, for example, 14874 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (193947).

2^1342665 is an apocalyptic number.

1342665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1342665 is a deficient number, since it is larger than the sum of its proper divisors (984699).

1342665 is a wasteful number, since it uses less digits than its factorization.

1342665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29848 (or 29845 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1342665 is about 1158.7342231936. The cubic root of 1342665 is about 110.3204156272.

The spelling of 1342665 in words is "one million, three hundred forty-two thousand, six hundred sixty-five".