12987395 has 8 divisors (see below), whose sum is σ = 15615600. Its totient is φ = 10369440.

The previous prime is 12987379. The next prime is 12987397. The reversal of 12987395 is 59378921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12987395 - 2⁴ = 12987379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12987397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (1951950).

Almost surely, 2^12987395 is an apocalyptic number.

12987395 is a deficient number, since it is larger than the sum of its proper divisors (2628205).

12987395 is an equidigital number, since it uses as much as digits as its factorization.

12987395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 136080, while the sum is 44.

The square root of 12987395 is about 3603.8028525434. The cubic root of 12987395 is about 235.0574478535.

The spelling of 12987395 in words is "twelve million, nine hundred eighty-seven thousand, three hundred ninety-five".