12790146 has 8 divisors (see below), whose sum is σ = 25580304. Its totient is φ = 4263380.

The previous prime is 12790109. The next prime is 12790147. The reversal of 12790146 is 64109721.

It is a happy number.

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

12790146 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12790147) 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, 1065840 + ... + 1065851.

It is an arithmetic number, because the mean of its divisors is an integer number (3197538).

Almost surely, 2^12790146 is an apocalyptic number.

12790146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12790146 is a wasteful number, since it uses less digits than its factorization.

12790146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131696.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12790146 is about 3576.3313604866. The cubic root of 12790146 is about 233.8613759990.

Adding to 12790146 its reverse (64109721), we get a palindrome (76899867).

The spelling of 12790146 in words is "twelve million, seven hundred ninety thousand, one hundred forty-six".