127432013 has 2 divisors, whose sum is σ = 127432014. Its totient is φ = 127432012.

The previous prime is 127432001. The next prime is 127432027. The reversal of 127432013 is 310234721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102860164 + 24571849 = 10142^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 127432013 - 2¹² = 127427917 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127432013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127432313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63716006 + 63716007.

It is an arithmetic number, because the mean of its divisors is an integer number (63716007).

Almost surely, 2^127432013 is an apocalyptic number.

It is an amenable number.

127432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

127432013 is an equidigital number, since it uses as much as digits as its factorization.

127432013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 127432013 is about 11288.5788742428. The cubic root of 127432013 is about 503.2218784061.

Adding to 127432013 its reverse (310234721), we get a palindrome (437666734).

The spelling of 127432013 in words is "one hundred twenty-seven million, four hundred thirty-two thousand, thirteen".