13449385 has 4 divisors (see below), whose sum is σ = 16139268. Its totient is φ = 10759504.

The previous prime is 13449383. The next prime is 13449391. The reversal of 13449385 is 58394431.

13449385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58394431 = 2213 ⋅26387.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 7441984 = 2451^2 + 2728^2 .

It is a cyclic number.

It is not a de Polignac number, because 13449385 - 2¹ = 13449383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13449383) 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, 1344934 + ... + 1344943.

It is an arithmetic number, because the mean of its divisors is an integer number (4034817).

Almost surely, 2^13449385 is an apocalyptic number.

It is an amenable number.

13449385 is a deficient number, since it is larger than the sum of its proper divisors (2689883).

13449385 is an equidigital number, since it uses as much as digits as its factorization.

13449385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689882.

The product of its digits is 51840, while the sum is 37.

The square root of 13449385 is about 3667.3403169054. The cubic root of 13449385 is about 237.8122062139.

The spelling of 13449385 in words is "thirteen million, four hundred forty-nine thousand, three hundred eighty-five".