13672647 has 24 divisors (see below), whose sum is σ = 21360560. Its totient is φ = 8398080.

The previous prime is 13672627. The next prime is 13672663. The reversal of 13672647 is 74627631.

13672647 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 2 + 647 = 666.

13672647 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 13672647 - 2⁶ = 13672583 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5247 + ... + 7407.

Almost surely, 2^13672647 is an apocalyptic number.

13672647 is a deficient number, since it is larger than the sum of its proper divisors (7687913).

13672647 is a wasteful number, since it uses less digits than its factorization.

13672647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2220 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 13672647 is about 3697.6542564172. The cubic root of 13672647 is about 239.1208984335.

The spelling of 13672647 in words is "thirteen million, six hundred seventy-two thousand, six hundred forty-seven".