1348505 has 4 divisors (see below), whose sum is σ = 1618212. Its totient is φ = 1078800.

The previous prime is 1348493. The next prime is 1348507. The reversal of 1348505 is 5058431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5058431 = 7 ⋅722633.

It can be written as a sum of positive squares in 2 ways, for example, as 222784 + 1125721 = 472^2 + 1061^2 .

It is not a de Polignac number, because 1348505 - 2⁴ = 1348489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348507) 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, 134846 + ... + 134855.

It is an arithmetic number, because the mean of its divisors is an integer number (404553).

2^1348505 is an apocalyptic number.

It is an amenable number.

1348505 is a deficient number, since it is larger than the sum of its proper divisors (269707).

1348505 is an equidigital number, since it uses as much as digits as its factorization.

1348505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269706.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1348505 is about 1161.2514800852. The cubic root of 1348505 is about 110.4801326525.

The spelling of 1348505 in words is "one million, three hundred forty-eight thousand, five hundred five".