12955770 has 24 divisors (see below), whose sum is σ = 33685236. Its totient is φ = 3454848.

The previous prime is 12955759. The next prime is 12955783. The reversal of 12955770 is 7755921.

12955770 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11108889 + 1846881 = 3333^2 + 1359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71887 + ... + 72066.

Almost surely, 2^12955770 is an apocalyptic number.

12955770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12955770 is an abundant number, since it is smaller than the sum of its proper divisors (20729466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12955770 is a wasteful number, since it uses less digits than its factorization.

12955770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143966 (or 143963 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 12955770 is about 3599.4124520538. The cubic root of 12955770 is about 234.8665003033.

The spelling of 12955770 in words is "twelve million, nine hundred fifty-five thousand, seven hundred seventy".