13264487 has 4 divisors (see below), whose sum is σ = 13293600. Its totient is φ = 13235376.

The previous prime is 13264483. The next prime is 13264499. The reversal of 13264487 is 78446231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78446231 = 19 ⋅4128749.

It is a cyclic number.

It is not a de Polignac number, because 13264487 - 2² = 13264483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264483) 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, 13862 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (3323400).

Almost surely, 2^13264487 is an apocalyptic number.

13264487 is a deficient number, since it is larger than the sum of its proper divisors (29113).

13264487 is an equidigital number, since it uses as much as digits as its factorization.

13264487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29112.

The product of its digits is 32256, while the sum is 35.

The square root of 13264487 is about 3642.0443434972. The cubic root of 13264487 is about 236.7173840478.

The spelling of 13264487 in words is "thirteen million, two hundred sixty-four thousand, four hundred eighty-seven".