12648790 has 32 divisors (see below), whose sum is σ = 28387584. Its totient is φ = 3942240.

The previous prime is 12648773. The next prime is 12648793. The reversal of 12648790 is 9784621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7444 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (887112).

Almost surely, 2^12648790 is an apocalyptic number.

12648790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12648790 is an abundant number, since it is smaller than the sum of its proper divisors (15738794).

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

12648790 is a wasteful number, since it uses less digits than its factorization.

12648790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16452.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12648790 is about 3556.5137424169. The cubic root of 12648790 is about 232.9966413829.

The spelling of 12648790 in words is "twelve million, six hundred forty-eight thousand, seven hundred ninety".