13649914 has 8 divisors (see below), whose sum is σ = 20491380. Its totient is φ = 6819456.

The previous prime is 13649897. The next prime is 13649917. The reversal of 13649914 is 41994631.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 1974025 = 3417^2 + 1405^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13649917) by changing a digit.

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, 1972 + ... + 5584.

Almost surely, 2^13649914 is an apocalyptic number.

13649914 is a deficient number, since it is larger than the sum of its proper divisors (6841466).

13649914 is a wasteful number, since it uses less digits than its factorization.

13649914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504.

The product of its digits is 23328, while the sum is 37.

The square root of 13649914 is about 3694.5790017267. The cubic root of 13649914 is about 238.9882991185.

The spelling of 13649914 in words is "thirteen million, six hundred forty-nine thousand, nine hundred fourteen".