13045693 has 4 divisors (see below), whose sum is σ = 13094460. Its totient is φ = 12996928.

The previous prime is 13045687. The next prime is 13045717. The reversal of 13045693 is 39654031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39654031 = 5783 ⋅6857.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 11648569 = 1182^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 13045693 - 2¹⁷ = 12914621 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 (13045603) 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, 23980 + ... + 24517.

It is an arithmetic number, because the mean of its divisors is an integer number (3273615).

Almost surely, 2^13045693 is an apocalyptic number.

It is an amenable number.

13045693 is a deficient number, since it is larger than the sum of its proper divisors (48767).

13045693 is an equidigital number, since it uses as much as digits as its factorization.

13045693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48766.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 13045693 is about 3611.8821963071. The cubic root of 13045693 is about 235.4086326267.

The spelling of 13045693 in words is "thirteen million, forty-five thousand, six hundred ninety-three".