12986770 has 16 divisors (see below), whose sum is σ = 23546880. Its totient is φ = 5156784.

The previous prime is 12986723. The next prime is 12986783. The reversal of 12986770 is 7768921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1471680).

Almost surely, 2^12986770 is an apocalyptic number.

12986770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12986770 is a deficient number, since it is larger than the sum of its proper divisors (10560110).

12986770 is a wasteful number, since it uses less digits than its factorization.

12986770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12986770 is about 3603.7161375447. The cubic root of 12986770 is about 235.0536771907.

The spelling of 12986770 in words is "twelve million, nine hundred eighty-six thousand, seven hundred seventy".