13504487 has 2 divisors, whose sum is σ = 13504488. Its totient is φ = 13504486.

The previous prime is 13504483. The next prime is 13504493. The reversal of 13504487 is 78440531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13504487 - 2² = 13504483 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13504481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752243 + 6752244.

It is an arithmetic number, because the mean of its divisors is an integer number (6752244).

Almost surely, 2^13504487 is an apocalyptic number.

13504487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13504487 is an equidigital number, since it uses as much as digits as its factorization.

13504487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 13504487 is about 3674.8451668064. The cubic root of 13504487 is about 238.1365351269.

The spelling of 13504487 in words is "thirteen million, five hundred four thousand, four hundred eighty-seven".