12387902 has 8 divisors (see below), whose sum is σ = 18932616. Its totient is φ = 6077032.

The previous prime is 12387887. The next prime is 12387937. The reversal of 12387902 is 20978321.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58328 + ... + 58539.

It is an arithmetic number, because the mean of its divisors is an integer number (2366577).

Almost surely, 2^12387902 is an apocalyptic number.

12387902 is a deficient number, since it is larger than the sum of its proper divisors (6544714).

12387902 is a wasteful number, since it uses less digits than its factorization.

12387902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116922.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12387902 is about 3519.6451525687. The cubic root of 12387902 is about 231.3836070387.

The spelling of 12387902 in words is "twelve million, three hundred eighty-seven thousand, nine hundred two".