1345003013 has 4 divisors (see below), whose sum is σ = 1345077408. Its totient is φ = 1344928620.

The previous prime is 1345003007. The next prime is 1345003019. The reversal of 1345003013 is 3103005431.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1345003007) and next prime (1345003019).

It is a cyclic number.

It is not a de Polignac number, because 1345003013 - 2⁶ = 1345002949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345003019) 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, 9278 + ... + 52688.

It is an arithmetic number, because the mean of its divisors is an integer number (336269352).

Almost surely, 2^1345003013 is an apocalyptic number.

It is an amenable number.

1345003013 is a deficient number, since it is larger than the sum of its proper divisors (74395).

1345003013 is an equidigital number, since it uses as much as digits as its factorization.

1345003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74394.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1345003013 is about 36674.2827196388. The cubic root of 1345003013 is about 1103.8441297502.

Adding to 1345003013 its reverse (3103005431), we get a palindrome (4448008444).

The spelling of 1345003013 in words is "one billion, three hundred forty-five million, three thousand, thirteen".