12719487 has 16 divisors (see below), whose sum is σ = 19140480. Its totient is φ = 7442400.

The previous prime is 12719477. The next prime is 12719489. The reversal of 12719487 is 78491721.

It is not a de Polignac number, because 12719487 - 2¹⁹ = 12195199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12719489) 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 in 15 ways as a sum of consecutive naturals, for example, 5689 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (1196280).

Almost surely, 2^12719487 is an apocalyptic number.

12719487 is a deficient number, since it is larger than the sum of its proper divisors (6420993).

12719487 is a wasteful number, since it uses less digits than its factorization.

12719487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334.

The product of its digits is 28224, while the sum is 39.

The square root of 12719487 is about 3566.4389802715. The cubic root of 12719487 is about 233.4299257680.

The spelling of 12719487 in words is "twelve million, seven hundred nineteen thousand, four hundred eighty-seven".