13252221487 has 2 divisors, whose sum is σ = 13252221488. Its totient is φ = 13252221486.

The previous prime is 13252221469. The next prime is 13252221533. The reversal of 13252221487 is 78412225231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13252221487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13252221427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626110743 + 6626110744.

It is an arithmetic number, because the mean of its divisors is an integer number (6626110744).

Almost surely, 2^13252221487 is an apocalyptic number.

13252221487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13252221487 is an equidigital number, since it uses as much as digits as its factorization.

13252221487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The spelling of 13252221487 in words is "thirteen billion, two hundred fifty-two million, two hundred twenty-one thousand, four hundred eighty-seven".