12678590 has 8 divisors (see below), whose sum is σ = 22821480. Its totient is φ = 5071432.

The previous prime is 12678577. The next prime is 12678619. The reversal of 12678590 is 9587621.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633920 + ... + 633939.

It is an arithmetic number, because the mean of its divisors is an integer number (2852685).

Almost surely, 2^12678590 is an apocalyptic number.

12678590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12678590 is a deficient number, since it is larger than the sum of its proper divisors (10142890).

12678590 is a wasteful number, since it uses less digits than its factorization.

12678590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267866.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12678590 is about 3560.7007737242. The cubic root of 12678590 is about 233.1794745323.

The spelling of 12678590 in words is "twelve million, six hundred seventy-eight thousand, five hundred ninety".