13137427 has 4 divisors (see below), whose sum is σ = 13333576. Its totient is φ = 12941280.

The previous prime is 13137419. The next prime is 13137437. The reversal of 13137427 is 72473131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72473131 = 401 ⋅180731.

It is a cyclic number.

It is not a de Polignac number, because 13137427 - 2³ = 13137419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13137395 and 13137404.

It is not an unprimeable number, because it can be changed into a prime (13137437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97974 + ... + 98107.

It is an arithmetic number, because the mean of its divisors is an integer number (3333394).

Almost surely, 2^13137427 is an apocalyptic number.

13137427 is a deficient number, since it is larger than the sum of its proper divisors (196149).

13137427 is an equidigital number, since it uses as much as digits as its factorization.

13137427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196148.

The product of its digits is 3528, while the sum is 28.

The square root of 13137427 is about 3624.5588697109. The cubic root of 13137427 is about 235.9591222410.

The spelling of 13137427 in words is "thirteen million, one hundred thirty-seven thousand, four hundred twenty-seven".