13675647 has 4 divisors (see below), whose sum is σ = 18234200. Its totient is φ = 9117096.

The previous prime is 13675621. The next prime is 13675657. The reversal of 13675647 is 74657631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13675647 - 2⁶ = 13675583 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 (13675657) 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, 2279272 + ... + 2279277.

It is an arithmetic number, because the mean of its divisors is an integer number (4558550).

Almost surely, 2^13675647 is an apocalyptic number.

13675647 is a deficient number, since it is larger than the sum of its proper divisors (4558553).

13675647 is an equidigital number, since it uses as much as digits as its factorization.

13675647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558552.

The product of its digits is 105840, while the sum is 39.

The square root of 13675647 is about 3698.0598967567. The cubic root of 13675647 is about 239.1383861527.

The spelling of 13675647 in words is "thirteen million, six hundred seventy-five thousand, six hundred forty-seven".