13665126 has 8 divisors (see below), whose sum is σ = 27330264. Its totient is φ = 4555040.

The previous prime is 13665121. The next prime is 13665133. The reversal of 13665126 is 62156631.

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

13665126 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13665093 and 13665102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13665121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138755 + ... + 1138766.

It is an arithmetic number, because the mean of its divisors is an integer number (3416283).

Almost surely, 2^13665126 is an apocalyptic number.

13665126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13665126 is a wasteful number, since it uses less digits than its factorization.

13665126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277526.

The product of its digits is 6480, while the sum is 30.

The square root of 13665126 is about 3696.6371204109. The cubic root of 13665126 is about 239.0770454732.

The spelling of 13665126 in words is "thirteen million, six hundred sixty-five thousand, one hundred twenty-six".