12786070 has 24 divisors (see below), whose sum is σ = 25299792. Its totient is φ = 4649040.

The previous prime is 12786061. The next prime is 12786089. The reversal of 12786070 is 7068721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4074 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (1054158).

Almost surely, 2^12786070 is an apocalyptic number.

12786070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12786070 is a deficient number, since it is larger than the sum of its proper divisors (12513722).

12786070 is a wasteful number, since it uses less digits than its factorization.

12786070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10596 (or 10585 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 12786070 is about 3575.7614573682. The cubic root of 12786070 is about 233.8365308240.

The spelling of 12786070 in words is "twelve million, seven hundred eighty-six thousand, seventy".