13747091 has 8 divisors (see below), whose sum is σ = 14320224. Its totient is φ = 13184640.

The previous prime is 13747061. The next prime is 13747103. The reversal of 13747091 is 19074731.

13747091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13747091 - 2¹⁰ = 13746067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13747001) 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, 11 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1790028).

Almost surely, 2^13747091 is an apocalyptic number.

13747091 is a deficient number, since it is larger than the sum of its proper divisors (573133).

13747091 is an equidigital number, since it uses as much as digits as its factorization.

13747091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 13747091 is about 3707.7069733192. The cubic root of 13747091 is about 239.5540968247.

The spelling of 13747091 in words is "thirteen million, seven hundred forty-seven thousand, ninety-one".