13479963 has 32 divisors (see below), whose sum is σ = 22141440. Its totient is φ = 7119360.

The previous prime is 13479943. The next prime is 13479979. The reversal of 13479963 is 36997431.

13479963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13479963 - 2¹² = 13475867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13479913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21468 + ... + 22086.

It is an arithmetic number, because the mean of its divisors is an integer number (691920).

Almost surely, 2^13479963 is an apocalyptic number.

13479963 is a deficient number, since it is larger than the sum of its proper divisors (8661477).

13479963 is a wasteful number, since it uses less digits than its factorization.

13479963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 122472, while the sum is 42.

The square root of 13479963 is about 3671.5069113376. The cubic root of 13479963 is about 237.9922966694.

The spelling of 13479963 in words is "thirteen million, four hundred seventy-nine thousand, nine hundred sixty-three".