12905130 has 48 divisors (see below), whose sum is σ = 36033120. Its totient is φ = 2949408.

The previous prime is 12905111. The next prime is 12905131. The reversal of 12905130 is 3150921.

12905130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12905097 and 12905106.

It is not an unprimeable number, because it can be changed into a prime (12905131) 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, 2920 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (750690).

Almost surely, 2^12905130 is an apocalyptic number.

12905130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12905130 is an abundant number, since it is smaller than the sum of its proper divisors (23127990).

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

12905130 is a wasteful number, since it uses less digits than its factorization.

12905130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12905130 is about 3592.3710832819. The cubic root of 12905130 is about 234.5600944967.

The spelling of 12905130 in words is "twelve million, nine hundred five thousand, one hundred thirty".