13956249 has 8 divisors (see below), whose sum is σ = 18652480. Its totient is φ = 9282096.

The previous prime is 13956247. The next prime is 13956311. The reversal of 13956249 is 94265931.

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

It is not a de Polignac number, because 13956249 - 2¹ = 13956247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13956247) 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 7 ways as a sum of consecutive naturals, for example, 3982 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (2331560).

Almost surely, 2^13956249 is an apocalyptic number.

It is an amenable number.

13956249 is a deficient number, since it is larger than the sum of its proper divisors (4696231).

13956249 is a wasteful number, since it uses less digits than its factorization.

13956249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039.

The product of its digits is 58320, while the sum is 39.

The square root of 13956249 is about 3735.8063386637. The cubic root of 13956249 is about 240.7629022091.

The spelling of 13956249 in words is "thirteen million, nine hundred fifty-six thousand, two hundred forty-nine".