1345263 has 4 divisors (see below), whose sum is σ = 1793688. Its totient is φ = 896840.

The previous prime is 1345243. The next prime is 1345271. The reversal of 1345263 is 3625431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1345263 - 2⁵ = 1345231 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345243) 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, 224208 + ... + 224213.

It is an arithmetic number, because the mean of its divisors is an integer number (448422).

2^1345263 is an apocalyptic number.

1345263 is a deficient number, since it is larger than the sum of its proper divisors (448425).

1345263 is an equidigital number, since it uses as much as digits as its factorization.

1345263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448424.

The product of its digits is 2160, while the sum is 24.

The square root of 1345263 is about 1159.8547322833. The cubic root of 1345263 is about 110.3915248955.

The spelling of 1345263 in words is "one million, three hundred forty-five thousand, two hundred sixty-three".