13161487 has 2 divisors, whose sum is σ = 13161488. Its totient is φ = 13161486.

The previous prime is 13161431. The next prime is 13161503. The reversal of 13161487 is 78416131.

13161487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13161487 - 2¹⁵ = 13128719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13161427) 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, 6580743 + 6580744.

It is an arithmetic number, because the mean of its divisors is an integer number (6580744).

Almost surely, 2^13161487 is an apocalyptic number.

13161487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13161487 is an equidigital number, since it uses as much as digits as its factorization.

13161487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 13161487 is about 3627.8763760636. The cubic root of 13161487 is about 236.1030802692.

The spelling of 13161487 in words is "thirteen million, one hundred sixty-one thousand, four hundred eighty-seven".