64012113 has 20 divisors (see below), whose sum is σ = 104317488. Its totient is φ = 38794680.

The previous prime is 64012061. The next prime is 64012133. The reversal of 64012113 is 31121046.

It is a happy number.

64012113 is a `hidden beast` number, since 640 + 1 + 21 + 1 + 3 = 666.

It is not a de Polignac number, because 64012113 - 2⁶ = 64012049 is a prime.

It is a super-2 number, since 2×64012113² = 8195101221449538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64012133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35031 + ... + 36812.

Almost surely, 2^64012113 is an apocalyptic number.

It is an amenable number.

64012113 is a deficient number, since it is larger than the sum of its proper divisors (40305375).

64012113 is a wasteful number, since it uses less digits than its factorization.

64012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71866 (or 71857 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 64012113 is about 8000.7570266819. The cubic root of 64012113 is about 400.0252338248.

Adding to 64012113 its reverse (31121046), we get a palindrome (95133159).

The spelling of 64012113 in words is "sixty-four million, twelve thousand, one hundred thirteen".