13791145 has 8 divisors (see below), whose sum is σ = 17269056. Its totient is φ = 10553136.

The previous prime is 13791143. The next prime is 13791149. The reversal of 13791145 is 54119731.

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

It is not a de Polignac number, because 13791145 - 2¹ = 13791143 is a prime.

It is a super-2 number, since 2×13791145² = 380391360822050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13791143) 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, 59847 + ... + 60076.

It is an arithmetic number, because the mean of its divisors is an integer number (2158632).

Almost surely, 2^13791145 is an apocalyptic number.

It is an amenable number.

13791145 is a deficient number, since it is larger than the sum of its proper divisors (3477911).

13791145 is a wasteful number, since it uses less digits than its factorization.

13791145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119951.

The product of its digits is 3780, while the sum is 31.

The square root of 13791145 is about 3713.6430900128. The cubic root of 13791145 is about 239.8097160715.

The spelling of 13791145 in words is "thirteen million, seven hundred ninety-one thousand, one hundred forty-five".