13967249 has 4 divisors (see below), whose sum is σ = 14230836. Its totient is φ = 13703664.

The previous prime is 13967237. The next prime is 13967269. The reversal of 13967249 is 94276931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4774225 + 9193024 = 2185^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 13967249 - 2⁸ = 13966993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13967269) 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, 131714 + ... + 131819.

It is an arithmetic number, because the mean of its divisors is an integer number (3557709).

Almost surely, 2^13967249 is an apocalyptic number.

It is an amenable number.

13967249 is a deficient number, since it is larger than the sum of its proper divisors (263587).

13967249 is an equidigital number, since it uses as much as digits as its factorization.

13967249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263586.

The product of its digits is 81648, while the sum is 41.

The square root of 13967249 is about 3737.2782877383. The cubic root of 13967249 is about 240.8261402236.

The spelling of 13967249 in words is "thirteen million, nine hundred sixty-seven thousand, two hundred forty-nine".