13478963 has 4 divisors (see below), whose sum is σ = 13707480. Its totient is φ = 13250448.

The previous prime is 13478957. The next prime is 13478981. The reversal of 13478963 is 36987431.

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 13478963 - 2¹⁰ = 13477939 is a prime.

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 13478963.

It is not an unprimeable number, because it can be changed into a prime (13478903) 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, 114170 + ... + 114287.

It is an arithmetic number, because the mean of its divisors is an integer number (3426870).

Almost surely, 2^13478963 is an apocalyptic number.

13478963 is a deficient number, since it is larger than the sum of its proper divisors (228517).

13478963 is an equidigital number, since it uses as much as digits as its factorization.

13478963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228516.

The product of its digits is 108864, while the sum is 41.

The square root of 13478963 is about 3671.3707249473. The cubic root of 13478963 is about 237.9864114361.

It can be divided in two parts, 13478 and 963, that added together give a palindrome (14441).

The spelling of 13478963 in words is "thirteen million, four hundred seventy-eight thousand, nine hundred sixty-three".