13673247 has 16 divisors (see below), whose sum is σ = 21742080. Its totient is φ = 7473312.

The previous prime is 13673237. The next prime is 13673249. The reversal of 13673247 is 74237631.

13673247 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13673247 - 2¹⁰ = 13672223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13672 + ... + 14637.

It is an arithmetic number, because the mean of its divisors is an integer number (1358880).

Almost surely, 2^13673247 is an apocalyptic number.

13673247 is a deficient number, since it is larger than the sum of its proper divisors (8068833).

13673247 is a wasteful number, since it uses less digits than its factorization.

13673247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342.

The product of its digits is 21168, while the sum is 33.

The square root of 13673247 is about 3697.7353880450. The cubic root of 13673247 is about 239.1243961819.

The spelling of 13673247 in words is "thirteen million, six hundred seventy-three thousand, two hundred forty-seven".