13504449 has 12 divisors (see below), whose sum is σ = 20945904. Its totient is φ = 7716744.

The previous prime is 13504429. The next prime is 13504471. The reversal of 13504449 is 94440531.

13504449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13504449 - 2¹² = 13500353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13504429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45787 + ... + 46080.

It is an arithmetic number, because the mean of its divisors is an integer number (1745492).

Almost surely, 2^13504449 is an apocalyptic number.

It is an amenable number.

13504449 is a deficient number, since it is larger than the sum of its proper divisors (7441455).

13504449 is an equidigital number, since it uses as much as digits as its factorization.

13504449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91884 (or 91877 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13504449 is about 3674.8399965169. The cubic root of 13504449 is about 238.1363117642.

The spelling of 13504449 in words is "thirteen million, five hundred four thousand, four hundred forty-nine".