12771633 has 16 divisors (see below), whose sum is σ = 19547136. Its totient is φ = 7266000.

The previous prime is 12771617. The next prime is 12771643. The reversal of 12771633 is 33617721.

It is not a de Polignac number, because 12771633 - 2⁴ = 12771617 is a prime.

It is a super-2 number, since 2×12771633² = 326229218973378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12771633.

It is not an unprimeable number, because it can be changed into a prime (12771643) 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, 4060 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (1221696).

Almost surely, 2^12771633 is an apocalyptic number.

It is an amenable number.

12771633 is a deficient number, since it is larger than the sum of its proper divisors (6775503).

12771633 is a wasteful number, since it uses less digits than its factorization.

12771633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its digits is 5292, while the sum is 30.

The square root of 12771633 is about 3573.7421563398. The cubic root of 12771633 is about 233.7484878890.

The spelling of 12771633 in words is "twelve million, seven hundred seventy-one thousand, six hundred thirty-three".