1341811 has 4 divisors (see below), whose sum is σ = 1345000. Its totient is φ = 1338624.

The previous prime is 1341787. The next prime is 1341839. The reversal of 1341811 is 1181431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1181431 = 29 ⋅40739.

It is a cyclic number.

It is not a de Polignac number, because 1341811 - 2⁵ = 1341779 is a prime.

It is a Duffinian number.

1341811 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1341841) 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, 846 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (336250).

2^1341811 is an apocalyptic number.

1341811 is a deficient number, since it is larger than the sum of its proper divisors (3189).

1341811 is an equidigital number, since it uses as much as digits as its factorization.

1341811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188.

The product of its digits is 96, while the sum is 19.

The square root of 1341811 is about 1158.3656590214. The cubic root of 1341811 is about 110.2970209564.

The spelling of 1341811 in words is "one million, three hundred forty-one thousand, eight hundred eleven".