13373765 has 8 divisors (see below), whose sum is σ = 16142328. Its totient is φ = 10636480.

The previous prime is 13373753. The next prime is 13373779. The reversal of 13373765 is 56737331.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 11303044 = 1439^2 + 3362^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13373765 - 2¹⁸ = 13111621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6866 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (2017791).

Almost surely, 2^13373765 is an apocalyptic number.

It is an amenable number.

13373765 is a deficient number, since it is larger than the sum of its proper divisors (2768563).

13373765 is a wasteful number, since it uses less digits than its factorization.

13373765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639.

The product of its digits is 39690, while the sum is 35.

The square root of 13373765 is about 3657.0158599601. The cubic root of 13373765 is about 237.3656636423.

The spelling of 13373765 in words is "thirteen million, three hundred seventy-three thousand, seven hundred sixty-five".