12887804 has 6 divisors (see below), whose sum is σ = 22553664. Its totient is φ = 6443900.

The previous prime is 12887773. The next prime is 12887807. The reversal of 12887804 is 40878821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887807) 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 as a sum of consecutive naturals, namely, 1610972 + ... + 1610979.

It is an arithmetic number, because the mean of its divisors is an integer number (3758944).

Almost surely, 2^12887804 is an apocalyptic number.

It is an amenable number.

12887804 is a deficient number, since it is larger than the sum of its proper divisors (9665860).

12887804 is a wasteful number, since it uses less digits than its factorization.

12887804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221955 (or 3221953 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 12887804 is about 3589.9587741365. The cubic root of 12887804 is about 234.4550766142.

The spelling of 12887804 in words is "twelve million, eight hundred eighty-seven thousand, eight hundred four".