12707770 has 16 divisors (see below), whose sum is σ = 24078240. Its totient is φ = 4815504.

The previous prime is 12707749. The next prime is 12707777. The reversal of 12707770 is 7770721.

It is a super-2 number, since 2×12707770² = 322974836745800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12707777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33252 + ... + 33631.

It is an arithmetic number, because the mean of its divisors is an integer number (1504890).

Almost surely, 2^12707770 is an apocalyptic number.

12707770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12707770 is a deficient number, since it is larger than the sum of its proper divisors (11370470).

12707770 is a wasteful number, since it uses less digits than its factorization.

12707770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66909.

The product of its (nonzero) digits is 4802, while the sum is 31.

The square root of 12707770 is about 3564.7959268379. The cubic root of 12707770 is about 233.3582263691.

The spelling of 12707770 in words is "twelve million, seven hundred seven thousand, seven hundred seventy".