13674021 has 8 divisors (see below), whose sum is σ = 18249120. Its totient is φ = 9107472.

The previous prime is 13674019. The next prime is 13674047. The reversal of 13674021 is 12047631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13674021 - 2¹ = 13674019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13673982 and 13674000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13674061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5106 + ... + 7308.

It is an arithmetic number, because the mean of its divisors is an integer number (2281140).

Almost surely, 2^13674021 is an apocalyptic number.

It is an amenable number.

13674021 is a deficient number, since it is larger than the sum of its proper divisors (4575099).

13674021 is a wasteful number, since it uses less digits than its factorization.

13674021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13674021 is about 3697.8400452156. The cubic root of 13674021 is about 239.1289081263.

The spelling of 13674021 in words is "thirteen million, six hundred seventy-four thousand, twenty-one".