12487078 has 16 divisors (see below), whose sum is σ = 19918224. Its totient is φ = 5850880.

The previous prime is 12487073. The next prime is 12487099. The reversal of 12487078 is 87078421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487073) 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 7 ways as a sum of consecutive naturals, for example, 8901 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (1244889).

Almost surely, 2^12487078 is an apocalyptic number.

12487078 is a deficient number, since it is larger than the sum of its proper divisors (7431146).

12487078 is a wasteful number, since it uses less digits than its factorization.

12487078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 12487078 is about 3533.7059866378. The cubic root of 12487078 is about 231.9994426265. Note that the first 3 decimals are identical.

The spelling of 12487078 in words is "twelve million, four hundred eighty-seven thousand, seventy-eight".