13597138 has 8 divisors (see below), whose sum is σ = 20418300. Its totient is φ = 6791040.

The previous prime is 13597123. The next prime is 13597151. The reversal of 13597138 is 83179531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10259209 + 3337929 = 3203^2 + 1827^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13597097 and 13597106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143 + ... + 5338.

Almost surely, 2^13597138 is an apocalyptic number.

13597138 is a deficient number, since it is larger than the sum of its proper divisors (6821162).

13597138 is a wasteful number, since it uses less digits than its factorization.

13597138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532.

The product of its digits is 22680, while the sum is 37.

The square root of 13597138 is about 3687.4297281440. The cubic root of 13597138 is about 238.6798933437.

The spelling of 13597138 in words is "thirteen million, five hundred ninety-seven thousand, one hundred thirty-eight".