12486887990 has 16 divisors (see below), whose sum is σ = 22483917360. Its totient is φ = 4993084320.

The previous prime is 12486887977. The next prime is 12486887999. The reversal of 12486887990 is 9978868421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12486887999) 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, 177245 + ... + 237464.

It is an arithmetic number, because the mean of its divisors is an integer number (1405244835).

Almost surely, 2^12486887990 is an apocalyptic number.

12486887990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12486887990 is a deficient number, since it is larger than the sum of its proper divisors (9997029370).

12486887990 is a wasteful number, since it uses less digits than its factorization.

12486887990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417727.

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 12486887990 in words is "twelve billion, four hundred eighty-six million, eight hundred eighty-seven thousand, nine hundred ninety".