13392385 has 8 divisors (see below), whose sum is σ = 16108776. Its totient is φ = 10688640.

The previous prime is 13392383. The next prime is 13392391. The reversal of 13392385 is 58329331.

It can be written as a sum of positive squares in 4 ways, for example, as 3101121 + 10291264 = 1761^2 + 3208^2 .

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

It is not a de Polignac number, because 13392385 - 2¹ = 13392383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13392385.

It is not an unprimeable number, because it can be changed into a prime (13392383) 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, 646 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (2013597).

Almost surely, 2^13392385 is an apocalyptic number.

It is an amenable number.

13392385 is a deficient number, since it is larger than the sum of its proper divisors (2716391).

13392385 is an equidigital number, since it uses as much as digits as its factorization.

13392385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its digits is 19440, while the sum is 34.

The square root of 13392385 is about 3659.5607659936. The cubic root of 13392385 is about 237.4757722285.

The spelling of 13392385 in words is "thirteen million, three hundred ninety-two thousand, three hundred eighty-five".