12633439 has 8 divisors (see below), whose sum is σ = 15548960. Its totient is φ = 9995616.

The previous prime is 12633437. The next prime is 12633449. The reversal of 12633439 is 93433621.

12633439 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12633439 - 2¹ = 12633437 is a prime.

12633439 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 12633439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69324 + ... + 69505.

It is an arithmetic number, because the mean of its divisors is an integer number (1943620).

Almost surely, 2^12633439 is an apocalyptic number.

12633439 is a deficient number, since it is larger than the sum of its proper divisors (2915521).

12633439 is a wasteful number, since it uses less digits than its factorization.

12633439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138849.

The product of its digits is 11664, while the sum is 31.

The square root of 12633439 is about 3554.3549344431. The cubic root of 12633439 is about 232.9023456870.

The spelling of 12633439 in words is "twelve million, six hundred thirty-three thousand, four hundred thirty-nine".