13672047 has 4 divisors (see below), whose sum is σ = 18229400. Its totient is φ = 9114696.

The previous prime is 13672037. The next prime is 13672049. The reversal of 13672047 is 74027631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74027631 = 3 ⋅24675877.

It is not a de Polignac number, because 13672047 - 2⁷ = 13671919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278672 + ... + 2278677.

It is an arithmetic number, because the mean of its divisors is an integer number (4557350).

Almost surely, 2^13672047 is an apocalyptic number.

13672047 is a deficient number, since it is larger than the sum of its proper divisors (4557353).

13672047 is an equidigital number, since it uses as much as digits as its factorization.

13672047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557352.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 13672047 is about 3697.5731230092. The cubic root of 13672047 is about 239.1174005827.

Adding to 13672047 its reverse (74027631), we get a palindrome (87699678).

The spelling of 13672047 in words is "thirteen million, six hundred seventy-two thousand, forty-seven".