13316487 has 4 divisors (see below), whose sum is σ = 17755320. Its totient is φ = 8877656.

The previous prime is 13316467. The next prime is 13316489. The reversal of 13316487 is 78461331.

13316487 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13316487 - 2⁸ = 13316231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316489) 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, 2219412 + ... + 2219417.

It is an arithmetic number, because the mean of its divisors is an integer number (4438830).

Almost surely, 2^13316487 is an apocalyptic number.

13316487 is a deficient number, since it is larger than the sum of its proper divisors (4438833).

13316487 is an equidigital number, since it uses as much as digits as its factorization.

13316487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438832.

The product of its digits is 12096, while the sum is 33.

The square root of 13316487 is about 3649.1762084065. The cubic root of 13316487 is about 237.0263105260.

The spelling of 13316487 in words is "thirteen million, three hundred sixteen thousand, four hundred eighty-seven".