12790033 has 4 divisors (see below), whose sum is σ = 12800320. Its totient is φ = 12779748.
The previous prime is 12790027. The next prime is 12790039. The reversal of 12790033 is 33009721.
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, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (12790027) and next prime (12790039).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12790033 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12790039) 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, 2973 + ... + 5866.
It is an arithmetic number, because the mean of its divisors is an integer number (3200080).
Almost surely, 212790033 is an apocalyptic number.
It is an amenable number.
12790033 is a deficient number, since it is larger than the sum of its proper divisors (10287).
12790033 is an equidigital number, since it uses as much as digits as its factorization.
12790033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10286.
The product of its (nonzero) digits is 1134, while the sum is 25.
The square root of 12790033 is about 3576.3155621393. The cubic root of 12790033 is about 233.8606872809.
Adding to 12790033 its reverse (33009721), we get a palindrome (45799754).
The spelling of 12790033 in words is "twelve million, seven hundred ninety thousand, thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •