127396647 has 24 divisors (see below), whose sum is σ = 212677920. Its totient is φ = 71976960.

The previous prime is 127396637. The next prime is 127396663. The reversal of 127396647 is 746693721.

It is not a de Polignac number, because 127396647 - 2⁴ = 127396631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127396637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5754 + ... + 16967.

It is an arithmetic number, because the mean of its divisors is an integer number (8861580).

Almost surely, 2^127396647 is an apocalyptic number.

127396647 is a deficient number, since it is larger than the sum of its proper divisors (85281273).

127396647 is a wasteful number, since it uses less digits than its factorization.

127396647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823 (or 22820 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 127396647 is about 11287.0123150460. The cubic root of 127396647 is about 503.1753213148.

The spelling of 127396647 in words is "one hundred twenty-seven million, three hundred ninety-six thousand, six hundred forty-seven".