12866470 has 8 divisors (see below), whose sum is σ = 23159664. Its totient is φ = 5146584.

The previous prime is 12866461. The next prime is 12866473. The reversal of 12866470 is 7466821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643314 + ... + 643333.

It is an arithmetic number, because the mean of its divisors is an integer number (2894958).

Almost surely, 2^12866470 is an apocalyptic number.

12866470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12866470 is a deficient number, since it is larger than the sum of its proper divisors (10293194).

12866470 is a wasteful number, since it uses less digits than its factorization.

12866470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286654.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 12866470 is about 3586.9862001407. The cubic root of 12866470 is about 234.3256357073.

The spelling of 12866470 in words is "twelve million, eight hundred sixty-six thousand, four hundred seventy".