13093661 has 8 divisors (see below), whose sum is σ = 15072960. Its totient is φ = 11141568.

The previous prime is 13093657. The next prime is 13093667. The reversal of 13093661 is 16639031.

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

It is a cyclic number.

It is not a de Polignac number, because 13093661 - 2² = 13093657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13093667) 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, 5756 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1884120).

Almost surely, 2^13093661 is an apocalyptic number.

It is an amenable number.

13093661 is a deficient number, since it is larger than the sum of its proper divisors (1979299).

13093661 is a wasteful number, since it uses less digits than its factorization.

13093661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13093661 is about 3618.5164086957. The cubic root of 13093661 is about 235.6968061375.

The spelling of 13093661 in words is "thirteen million, ninety-three thousand, six hundred sixty-one".