13365813 has 8 divisors (see below), whose sum is σ = 18200448. Its totient is φ = 8720864.

The previous prime is 13365811. The next prime is 13365817. The reversal of 13365813 is 31856331.

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

It is a cyclic number.

It is not a de Polignac number, because 13365813 - 2¹ = 13365811 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47256 + ... + 47537.

It is an arithmetic number, because the mean of its divisors is an integer number (2275056).

Almost surely, 2^13365813 is an apocalyptic number.

It is an amenable number.

13365813 is a deficient number, since it is larger than the sum of its proper divisors (4834635).

13365813 is an equidigital number, since it uses as much as digits as its factorization.

13365813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94843.

The product of its digits is 6480, while the sum is 30.

The square root of 13365813 is about 3655.9284730421. The cubic root of 13365813 is about 237.3186086809.

The spelling of 13365813 in words is "thirteen million, three hundred sixty-five thousand, eight hundred thirteen".