13607945 has 8 divisors (see below), whose sum is σ = 17585736. Its totient is φ = 10048896.

The previous prime is 13607929. The next prime is 13607953. The reversal of 13607945 is 54970631.

It can be written as a sum of positive squares in 4 ways, for example, as 1301881 + 12306064 = 1141^2 + 3508^2 .

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

It is not a de Polignac number, because 13607945 - 2⁴ = 13607929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104612 + ... + 104741.

It is an arithmetic number, because the mean of its divisors is an integer number (2198217).

Almost surely, 2^13607945 is an apocalyptic number.

It is an amenable number.

13607945 is a deficient number, since it is larger than the sum of its proper divisors (3977791).

13607945 is a wasteful number, since it uses less digits than its factorization.

13607945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209371.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13607945 is about 3688.8948209457. The cubic root of 13607945 is about 238.7431108270.

The spelling of 13607945 in words is "thirteen million, six hundred seven thousand, nine hundred forty-five".