1341806 has 4 divisors (see below), whose sum is σ = 2012712. Its totient is φ = 670902.

The previous prime is 1341787. The next prime is 1341839. The reversal of 1341806 is 6081431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6081431 = 37 ⋅164363.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335450 + ... + 335453.

It is an arithmetic number, because the mean of its divisors is an integer number (503178).

2^1341806 is an apocalyptic number.

1341806 is a deficient number, since it is larger than the sum of its proper divisors (670906).

1341806 is an equidigital number, since it uses as much as digits as its factorization.

1341806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670905.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1341806 is about 1158.3635008062. The cubic root of 1341806 is about 110.2968839561.

The spelling of 1341806 in words is "one million, three hundred forty-one thousand, eight hundred six".