12878650 has 24 divisors (see below), whose sum is σ = 24060960. Its totient is φ = 5128560.

The previous prime is 12878603. The next prime is 12878669. The reversal of 12878650 is 5687821.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14931 + ... + 15769.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 2^12878650 is an apocalyptic number.

12878650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12878650 is a deficient number, since it is larger than the sum of its proper divisors (11182310).

12878650 is a wasteful number, since it uses less digits than its factorization.

12878650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 12878650 is about 3588.6836026599. The cubic root of 12878650 is about 234.3995535758.

The spelling of 12878650 in words is "twelve million, eight hundred seventy-eight thousand, six hundred fifty".