127906812 has 36 divisors (see below), whose sum is σ = 352713816. Its totient is φ = 38759520.

The previous prime is 127906799. The next prime is 127906843. The reversal of 127906812 is 218609721.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 161103 + ... + 161894.

It is an arithmetic number, because the mean of its divisors is an integer number (9797606).

Almost surely, 2^127906812 is an apocalyptic number.

127906812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127906812 is an abundant number, since it is smaller than the sum of its proper divisors (224807004).

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

127906812 is a wasteful number, since it uses less digits than its factorization.

127906812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323018 (or 323013 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 127906812 is about 11309.5893824665. The cubic root of 127906812 is about 503.8460886799.

The spelling of 127906812 in words is "one hundred twenty-seven million, nine hundred six thousand, eight hundred twelve".