13507427 has 2 divisors, whose sum is σ = 13507428. Its totient is φ = 13507426.

The previous prime is 13507411. The next prime is 13507433. The reversal of 13507427 is 72470531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13507427 - 2⁴ = 13507411 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13507427.

It is not a weakly prime, because it can be changed into another prime (13507447) 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, 6753713 + 6753714.

It is an arithmetic number, because the mean of its divisors is an integer number (6753714).

Almost surely, 2^13507427 is an apocalyptic number.

13507427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13507427 is an equidigital number, since it uses as much as digits as its factorization.

13507427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 13507427 is about 3675.2451618906. The cubic root of 13507427 is about 238.1538150777.

Adding to 13507427 its reverse (72470531), we get a palindrome (85977958).

The spelling of 13507427 in words is "thirteen million, five hundred seven thousand, four hundred twenty-seven".