65133412 has 12 divisors (see below), whose sum is σ = 115589376. Its totient is φ = 32107880.

The previous prime is 65133407. The next prime is 65133469. The reversal of 65133412 is 21433156.

It is a super-2 number, since 2×65133412² = 8484722717523488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114388 + ... + 114955.

It is an arithmetic number, because the mean of its divisors is an integer number (9632448).

Almost surely, 2^65133412 is an apocalyptic number.

It is an amenable number.

65133412 is a deficient number, since it is larger than the sum of its proper divisors (50455964).

65133412 is a wasteful number, since it uses less digits than its factorization.

65133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229418 (or 229416 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 65133412 is about 8070.5273681464. The cubic root of 65133412 is about 402.3474714939.

Adding to 65133412 its reverse (21433156), we get a palindrome (86566568).

The spelling of 65133412 in words is "sixty-five million, one hundred thirty-three thousand, four hundred twelve".