13620274 has 8 divisors (see below), whose sum is σ = 20463660. Its totient is φ = 6799056.

The previous prime is 13620223. The next prime is 13620287. The reversal of 13620274 is 47202631.

It can be written as a sum of positive squares in 2 ways, for example, as 13068225 + 552049 = 3615^2 + 743^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909 + ... + 6520.

Almost surely, 2^13620274 is an apocalyptic number.

13620274 is a deficient number, since it is larger than the sum of its proper divisors (6843386).

13620274 is a wasteful number, since it uses less digits than its factorization.

13620274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 13620274 is about 3690.5655393178. The cubic root of 13620274 is about 238.8151906628.

The spelling of 13620274 in words is "thirteen million, six hundred twenty thousand, two hundred seventy-four".