1346705 has 4 divisors (see below), whose sum is σ = 1616052. Its totient is φ = 1077360.

The previous prime is 1346693. The next prime is 1346711. The reversal of 1346705 is 5076431.

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 654481 + 692224 = 809^2 + 832^2 .

It is not a de Polignac number, because 1346705 - 2⁶ = 1346641 is a prime.

It is a super-2 number, since 2×1346705² = 3627228714050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134666 + ... + 134675.

It is an arithmetic number, because the mean of its divisors is an integer number (404013).

2^1346705 is an apocalyptic number.

It is an amenable number.

1346705 is a deficient number, since it is larger than the sum of its proper divisors (269347).

1346705 is an equidigital number, since it uses as much as digits as its factorization.

1346705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269346.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1346705 is about 1160.4761953612. The cubic root of 1346705 is about 110.4309540469.

It can be divided in two parts, 134 and 6705, that multiplied together give a triangular number (898470 = T₁₃₄₀).

The spelling of 1346705 in words is "one million, three hundred forty-six thousand, seven hundred five".