13137449 has 8 divisors (see below), whose sum is σ = 14176512. Its totient is φ = 12102480.

The previous prime is 13137437. The next prime is 13137457. The reversal of 13137449 is 94473131.

13137449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13137449 - 2⁸ = 13137193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13137409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10634 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (1772064).

Almost surely, 2^13137449 is an apocalyptic number.

It is an amenable number.

13137449 is a deficient number, since it is larger than the sum of its proper divisors (1039063).

13137449 is a wasteful number, since it uses less digits than its factorization.

13137449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047.

The product of its digits is 9072, while the sum is 32.

The square root of 13137449 is about 3624.5619045617. The cubic root of 13137449 is about 235.9592539537.

The spelling of 13137449 in words is "thirteen million, one hundred thirty-seven thousand, four hundred forty-nine".