65240012 has 12 divisors (see below), whose sum is σ = 114235296. Its totient is φ = 32601360.

The previous prime is 65240011. The next prime is 65240023. The reversal of 65240012 is 21004256.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65240011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5837 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (9519608).

Almost surely, 2^65240012 is an apocalyptic number.

It is an amenable number.

65240012 is a deficient number, since it is larger than the sum of its proper divisors (48995284).

65240012 is a wasteful number, since it uses less digits than its factorization.

65240012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328 (or 9326 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 65240012 is about 8077.1289453617. The cubic root of 65240012 is about 402.5668512856.

Adding to 65240012 its reverse (21004256), we get a palindrome (86244268).

The spelling of 65240012 in words is "sixty-five million, two hundred forty thousand, twelve".