12533761 has 4 divisors (see below), whose sum is σ = 12655552. Its totient is φ = 12411972.

The previous prime is 12533753. The next prime is 12533779. The reversal of 12533761 is 16733521.

12533761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12533761 - 2³ = 12533753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12533461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60741 + ... + 60946.

It is an arithmetic number, because the mean of its divisors is an integer number (3163888).

It is a Proth number, since it is equal to 765 ⋅ 2¹⁴ + 1 and 765 < 2¹⁴.

Almost surely, 2^12533761 is an apocalyptic number.

It is an amenable number.

12533761 is a deficient number, since it is larger than the sum of its proper divisors (121791).

12533761 is a wasteful number, since it uses less digits than its factorization.

12533761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121790.

The product of its digits is 3780, while the sum is 28.

The square root of 12533761 is about 3540.3052128312. The cubic root of 12533761 is about 232.2881934296.

The spelling of 12533761 in words is "twelve million, five hundred thirty-three thousand, seven hundred sixty-one".