1345841 has 4 divisors (see below), whose sum is σ = 1538112. Its totient is φ = 1153572.

The previous prime is 1345811. The next prime is 1345859. The reversal of 1345841 is 1485431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1485431 = 53 ⋅28027.

It is not a de Polignac number, because 1345841 - 2⁶ = 1345777 is a prime.

It is a super-2 number, since 2×1345841² = 3622575994562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345841.

It is not an unprimeable number, because it can be changed into a prime (1345811) 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, 96125 + ... + 96138.

It is an arithmetic number, because the mean of its divisors is an integer number (384528).

2^1345841 is an apocalyptic number.

It is an amenable number.

1345841 is a deficient number, since it is larger than the sum of its proper divisors (192271).

1345841 is an equidigital number, since it uses as much as digits as its factorization.

1345841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192270.

The product of its digits is 1920, while the sum is 26.

The square root of 1345841 is about 1160.1038746595. The cubic root of 1345841 is about 110.4073327500.

It can be divided in two parts, 13 and 45841, that added together give a palindrome (45854).

The spelling of 1345841 in words is "one million, three hundred forty-five thousand, eight hundred forty-one".