12877290 has 48 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 3411936.

The previous prime is 12877289. The next prime is 12877301. The reversal of 12877290 is 9277821.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17551 + ... + 18269.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^12877290 is an apocalyptic number.

12877290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12877290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

12877290 is an abundant number, since it is smaller than the sum of its proper divisors (20818710).

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

12877290 is a wasteful number, since it uses less digits than its factorization.

12877290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 12877290 is about 3588.4941131344. The cubic root of 12877290 is about 234.3913023327.

The spelling of 12877290 in words is "twelve million, eight hundred seventy-seven thousand, two hundred ninety".