12900046 has 8 divisors (see below), whose sum is σ = 19639080. Its totient is φ = 6353688.

The previous prime is 12900011. The next prime is 12900047. The reversal of 12900046 is 64000921.

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

It is a super-2 number, since 2×12900046² = 332822373604232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48001 + ... + 48268.

It is an arithmetic number, because the mean of its divisors is an integer number (2454885).

Almost surely, 2^12900046 is an apocalyptic number.

12900046 is a deficient number, since it is larger than the sum of its proper divisors (6739034).

12900046 is an equidigital number, since it uses as much as digits as its factorization.

12900046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96338.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12900046 is about 3591.6634029374. The cubic root of 12900046 is about 234.5292886557.

Adding to 12900046 its reverse (64000921), we get a palindrome (76900967).

The spelling of 12900046 in words is "twelve million, nine hundred thousand, forty-six".