13674643 has 4 divisors (see below), whose sum is σ = 13704768. Its totient is φ = 13644520.

The previous prime is 13674641. The next prime is 13674649. The reversal of 13674643 is 34647631.

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

It is a cyclic number.

It is not a de Polignac number, because 13674643 - 2¹ = 13674641 is a prime.

It is a super-2 number, since 2×13674643² = 373991722354898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13674599 and 13674608.

It is not an unprimeable number, because it can be changed into a prime (13674641) 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, 14371 + ... + 15292.

It is an arithmetic number, because the mean of its divisors is an integer number (3426192).

Almost surely, 2^13674643 is an apocalyptic number.

13674643 is a deficient number, since it is larger than the sum of its proper divisors (30125).

13674643 is an equidigital number, since it uses as much as digits as its factorization.

13674643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30124.

The product of its digits is 36288, while the sum is 34.

The square root of 13674643 is about 3697.9241474103. The cubic root of 13674643 is about 239.1325338807.

The spelling of 13674643 in words is "thirteen million, six hundred seventy-four thousand, six hundred forty-three".