13788091 has 8 divisors (see below), whose sum is σ = 14622480. Its totient is φ = 12964608.

The previous prime is 13788083. The next prime is 13788097. The reversal of 13788091 is 19088731.

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 13788091 - 2³ = 13788083 is a prime.

It is a super-2 number, since 2×13788091² = 380222906848562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13788091.

It is not an unprimeable number, because it can be changed into a prime (13788097) 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, 46 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (1827810).

Almost surely, 2^13788091 is an apocalyptic number.

13788091 is a deficient number, since it is larger than the sum of its proper divisors (834389).

13788091 is a wasteful number, since it uses less digits than its factorization.

13788091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 13788091 is about 3713.2318807206. The cubic root of 13788091 is about 239.7920130951.

The spelling of 13788091 in words is "thirteen million, seven hundred eighty-eight thousand, ninety-one".