12790136 has 8 divisors (see below), whose sum is σ = 23981520. Its totient is φ = 6395064.

The previous prime is 12790109. The next prime is 12790147. The reversal of 12790136 is 63109721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12790099 and 12790108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799376 + ... + 799391.

It is an arithmetic number, because the mean of its divisors is an integer number (2997690).

Almost surely, 2^12790136 is an apocalyptic number.

It is an amenable number.

12790136 is a deficient number, since it is larger than the sum of its proper divisors (11191384).

12790136 is a wasteful number, since it uses less digits than its factorization.

12790136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598773 (or 1598769 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12790136 is about 3576.3299624056. The cubic root of 12790136 is about 233.8613150506.

Adding to 12790136 its reverse (63109721), we get a palindrome (75899857).

The spelling of 12790136 in words is "twelve million, seven hundred ninety thousand, one hundred thirty-six".