13731097 has 8 divisors (see below), whose sum is σ = 14103936. Its totient is φ = 13361712.

The previous prime is 13731089. The next prime is 13731101. The reversal of 13731097 is 79013731.

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 13731097 - 2³ = 13731089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13731017) 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, 8518 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (1762992).

Almost surely, 2^13731097 is an apocalyptic number.

It is an amenable number.

13731097 is a deficient number, since it is larger than the sum of its proper divisors (372839).

13731097 is a wasteful number, since it uses less digits than its factorization.

13731097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13731097 is about 3705.5494869182. The cubic root of 13731097 is about 239.4611580090.

The spelling of 13731097 in words is "thirteen million, seven hundred thirty-one thousand, ninety-seven".