1345801 has 4 divisors (see below), whose sum is σ = 1382212. Its totient is φ = 1309392.

The previous prime is 1345787. The next prime is 1345811. The reversal of 1345801 is 1085431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 274576 = 1035^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345801 - 2¹⁷ = 1214729 is a prime.

It is a super-2 number, since 2×1345801² = 3622360663202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18150 + ... + 18223.

It is an arithmetic number, because the mean of its divisors is an integer number (345553).

2^1345801 is an apocalyptic number.

It is an amenable number.

1345801 is a deficient number, since it is larger than the sum of its proper divisors (36411).

1345801 is an equidigital number, since it uses as much as digits as its factorization.

1345801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36410.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1345801 is about 1160.0866346959. The cubic root of 1345801 is about 110.4062389266.

The spelling of 1345801 in words is "one million, three hundred forty-five thousand, eight hundred one".