13267487 has 4 divisors (see below), whose sum is σ = 13277376. Its totient is φ = 13257600.

The previous prime is 13267483. The next prime is 13267493. The reversal of 13267487 is 78476231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13267487 - 2² = 13267483 is a prime.

It is a super-2 number, since 2×13267487² = 352052422590338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13267487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13267483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (3319344).

Almost surely, 2^13267487 is an apocalyptic number.

13267487 is a deficient number, since it is larger than the sum of its proper divisors (9889).

13267487 is an equidigital number, since it uses as much as digits as its factorization.

13267487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888.

The product of its digits is 56448, while the sum is 38.

The square root of 13267487 is about 3642.4561768126. The cubic root of 13267487 is about 236.7352286535.

The spelling of 13267487 in words is "thirteen million, two hundred sixty-seven thousand, four hundred eighty-seven".