65126913 has 16 divisors (see below), whose sum is σ = 89114880. Its totient is φ = 42287616.

The previous prime is 65126909. The next prime is 65126933. The reversal of 65126913 is 31962156.

It is a happy number.

It is not a de Polignac number, because 65126913 - 2² = 65126909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65126933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31281 + ... + 33297.

It is an arithmetic number, because the mean of its divisors is an integer number (5569680).

Almost surely, 2^65126913 is an apocalyptic number.

It is an amenable number.

65126913 is a deficient number, since it is larger than the sum of its proper divisors (23987967).

65126913 is a wasteful number, since it uses less digits than its factorization.

65126913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its digits is 9720, while the sum is 33.

The square root of 65126913 is about 8070.1247202258. The cubic root of 65126913 is about 402.3340889963.

The spelling of 65126913 in words is "sixty-five million, one hundred twenty-six thousand, nine hundred thirteen".