13501427 has 2 divisors, whose sum is σ = 13501428. Its totient is φ = 13501426.

The previous prime is 13501421. The next prime is 13501447. The reversal of 13501427 is 72410531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13501427 - 2¹² = 13497331 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (13501421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750713 + 6750714.

It is an arithmetic number, because the mean of its divisors is an integer number (6750714).

Almost surely, 2^13501427 is an apocalyptic number.

13501427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13501427 is an equidigital number, since it uses as much as digits as its factorization.

13501427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13501427 is about 3674.4287991469. The cubic root of 13501427 is about 238.1185472082.

Adding to 13501427 its reverse (72410531), we get a palindrome (85911958).

The spelling of 13501427 in words is "thirteen million, five hundred one thousand, four hundred twenty-seven".