12790842 has 16 divisors (see below), whose sum is σ = 25836192. Its totient is φ = 4221200.

The previous prime is 12790807. The next prime is 12790847. The reversal of 12790842 is 24809721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12790847) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9948 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (1614762).

Almost surely, 2^12790842 is an apocalyptic number.

12790842 is an abundant number, since it is smaller than the sum of its proper divisors (13045350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12790842 is a wasteful number, since it uses less digits than its factorization.

12790842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21213.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12790842 is about 3576.4286655825. The cubic root of 12790842 is about 233.8656179252.

The spelling of 12790842 in words is "twelve million, seven hundred ninety thousand, eight hundred forty-two".