13609958 has 16 divisors (see below), whose sum is σ = 20790000. Its totient is φ = 6681312.

The previous prime is 13609957. The next prime is 13609963. The reversal of 13609958 is 85990631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32273 + ... + 32691.

It is an arithmetic number, because the mean of its divisors is an integer number (1299375).

Almost surely, 2^13609958 is an apocalyptic number.

13609958 is a deficient number, since it is larger than the sum of its proper divisors (7180042).

13609958 is a wasteful number, since it uses less digits than its factorization.

13609958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13609958 is about 3689.1676568028. The cubic root of 13609958 is about 238.7548825331.

The spelling of 13609958 in words is "thirteen million, six hundred nine thousand, nine hundred fifty-eight".