13649463 has 6 divisors (see below), whose sum is σ = 19715904. Its totient is φ = 9099636.

The previous prime is 13649431. The next prime is 13649483. The reversal of 13649463 is 36494631.

13649463 is a `hidden beast` number, since 1 + 3 + 649 + 4 + 6 + 3 = 666.

13649463 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13649463 - 2⁵ = 13649431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 758295 + ... + 758312.

It is an arithmetic number, because the mean of its divisors is an integer number (3285984).

Almost surely, 2^13649463 is an apocalyptic number.

13649463 is a deficient number, since it is larger than the sum of its proper divisors (6066441).

13649463 is a wasteful number, since it uses less digits than its factorization.

13649463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516613 (or 1516610 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 13649463 is about 3694.5179658516. The cubic root of 13649463 is about 238.9856669917.

The spelling of 13649463 in words is "thirteen million, six hundred forty-nine thousand, four hundred sixty-three".