127897212 has 12 divisors (see below), whose sum is σ = 298426856. Its totient is φ = 42632400.

The previous prime is 127897177. The next prime is 127897213. The reversal of 127897212 is 212798721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127897213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5329039 + ... + 5329062.

Almost surely, 2^127897212 is an apocalyptic number.

127897212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127897212 is an abundant number, since it is smaller than the sum of its proper divisors (170529644).

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

127897212 is a wasteful number, since it uses less digits than its factorization.

127897212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658108 (or 10658106 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 127897212 is about 11309.1649559108. The cubic root of 127897212 is about 503.8334830352.

The spelling of 127897212 in words is "one hundred twenty-seven million, eight hundred ninety-seven thousand, two hundred twelve".