12892308 has 72 divisors (see below), whose sum is σ = 35661024. Its totient is φ = 3600960.

The previous prime is 12892301. The next prime is 12892331. The reversal of 12892308 is 80329821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18535 + ... + 19217.

It is an arithmetic number, because the mean of its divisors is an integer number (495292).

Almost surely, 2^12892308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12892308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17830512).

12892308 is an abundant number, since it is smaller than the sum of its proper divisors (22768716).

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

12892308 is a wasteful number, since it uses less digits than its factorization.

12892308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12892308 is about 3590.5860245926. The cubic root of 12892308 is about 234.4823857062.

The spelling of 12892308 in words is "twelve million, eight hundred ninety-two thousand, three hundred eight".