13600949 has 4 divisors (see below), whose sum is σ = 13700364. Its totient is φ = 13501536.

The previous prime is 13600931. The next prime is 13600967. The reversal of 13600949 is 94900631.

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

It is an interprime number because it is at equal distance from previous prime (13600931) and next prime (13600967).

It can be written as a sum of positive squares in 2 ways, for example, as 2992900 + 10608049 = 1730^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 13600949 - 2²⁰ = 12552373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13600999) 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, 49502 + ... + 49775.

It is an arithmetic number, because the mean of its divisors is an integer number (3425091).

Almost surely, 2^13600949 is an apocalyptic number.

It is an amenable number.

13600949 is a deficient number, since it is larger than the sum of its proper divisors (99415).

13600949 is an equidigital number, since it uses as much as digits as its factorization.

13600949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99414.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 13600949 is about 3687.9464475505. The cubic root of 13600949 is about 238.7021902933.

The spelling of 13600949 in words is "thirteen million, six hundred thousand, nine hundred forty-nine".