13287463 has 4 divisors (see below), whose sum is σ = 15185680. Its totient is φ = 11389248.

The previous prime is 13287451. The next prime is 13287467. The reversal of 13287463 is 36478231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36478231 = 179 ⋅203789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13287463 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 (13287467) 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, 949098 + ... + 949111.

It is an arithmetic number, because the mean of its divisors is an integer number (3796420).

Almost surely, 2^13287463 is an apocalyptic number.

13287463 is a deficient number, since it is larger than the sum of its proper divisors (1898217).

13287463 is an equidigital number, since it uses as much as digits as its factorization.

13287463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898216.

The product of its digits is 24192, while the sum is 34.

The square root of 13287463 is about 3645.1972511786. The cubic root of 13287463 is about 236.8539813988.

The spelling of 13287463 in words is "thirteen million, two hundred eighty-seven thousand, four hundred sixty-three".