13537427 has 2 divisors, whose sum is σ = 13537428. Its totient is φ = 13537426.

The previous prime is 13537411. The next prime is 13537441. The reversal of 13537427 is 72473531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13537427 - 2⁴ = 13537411 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13537393 and 13537402.

It is not a weakly prime, because it can be changed into another prime (13537487) 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 as a sum of consecutive naturals, namely, 6768713 + 6768714.

It is an arithmetic number, because the mean of its divisors is an integer number (6768714).

Almost surely, 2^13537427 is an apocalyptic number.

13537427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13537427 is an equidigital number, since it uses as much as digits as its factorization.

13537427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 13537427 is about 3679.3242586105. The cubic root of 13537427 is about 238.3299979429.

The spelling of 13537427 in words is "thirteen million, five hundred thirty-seven thousand, four hundred twenty-seven".