12533965 has 8 divisors (see below), whose sum is σ = 15694848. Its totient is φ = 9591120.

The previous prime is 12533957. The next prime is 12534001. The reversal of 12533965 is 56933521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12533965 - 2³ = 12533957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12533965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54381 + ... + 54610.

It is an arithmetic number, because the mean of its divisors is an integer number (1961856).

Almost surely, 2^12533965 is an apocalyptic number.

It is an amenable number.

12533965 is a deficient number, since it is larger than the sum of its proper divisors (3160883).

12533965 is a wasteful number, since it uses less digits than its factorization.

12533965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109019.

The product of its digits is 24300, while the sum is 34.

The square root of 12533965 is about 3540.3340237893. The cubic root of 12533965 is about 232.2894536668.

The spelling of 12533965 in words is "twelve million, five hundred thirty-three thousand, nine hundred sixty-five".