1346671 has 4 divisors (see below), whose sum is σ = 1390144. Its totient is φ = 1303200.

The previous prime is 1346669. The next prime is 1346693. The reversal of 1346671 is 1766431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1766431 = 163 ⋅10837.

It is a cyclic number.

It is not a de Polignac number, because 1346671 - 2¹ = 1346669 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 (1346641) 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 3 ways as a sum of consecutive naturals, for example, 21690 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (347536).

2^1346671 is an apocalyptic number.

1346671 is a deficient number, since it is larger than the sum of its proper divisors (43473).

1346671 is an equidigital number, since it uses as much as digits as its factorization.

1346671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43472.

The product of its digits is 3024, while the sum is 28.

The square root of 1346671 is about 1160.4615461100. The cubic root of 1346671 is about 110.4300246962.

The spelling of 1346671 in words is "one million, three hundred forty-six thousand, six hundred seventy-one".