64287013 has 16 divisors (see below), whose sum is σ = 81889920. Its totient is φ = 49130496.

The previous prime is 64287011. The next prime is 64287017. The reversal of 64287013 is 31078246.

It is a cyclic number.

It is not a de Polignac number, because 64287013 - 2¹ = 64287011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64287011) 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, 11956 + ... + 16477.

It is an arithmetic number, because the mean of its divisors is an integer number (5118120).

Almost surely, 2^64287013 is an apocalyptic number.

It is an amenable number.

64287013 is a deficient number, since it is larger than the sum of its proper divisors (17602907).

64287013 is a wasteful number, since it uses less digits than its factorization.

64287013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28476.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 64287013 is about 8017.9182460287. The cubic root of 64287013 is about 400.5970521285.

The spelling of 64287013 in words is "sixty-four million, two hundred eighty-seven thousand, thirteen".