13656242 has 8 divisors (see below), whose sum is σ = 20695836. Its totient is φ = 6757632.

The previous prime is 13656217. The next prime is 13656259. The reversal of 13656242 is 24265631.

It can be written as a sum of positive squares in 2 ways, for example, as 13623481 + 32761 = 3691^2 + 181^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35003 + ... + 35390.

Almost surely, 2^13656242 is an apocalyptic number.

13656242 is a deficient number, since it is larger than the sum of its proper divisors (7039594).

13656242 is an equidigital number, since it uses as much as digits as its factorization.

13656242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70492.

The product of its digits is 8640, while the sum is 29.

The square root of 13656242 is about 3695.4352923573. The cubic root of 13656242 is about 239.0252244871.

The spelling of 13656242 in words is "thirteen million, six hundred fifty-six thousand, two hundred forty-two".