12989130 has 64 divisors (see below), whose sum is σ = 38873088. Its totient is φ = 2698560.

The previous prime is 12989117. The next prime is 12989131. The reversal of 12989130 is 3198921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12989091 and 12989100.

It is not an unprimeable number, because it can be changed into a prime (12989131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (607392).

Almost surely, 2^12989130 is an apocalyptic number.

12989130 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 12989130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19436544).

12989130 is an abundant number, since it is smaller than the sum of its proper divisors (25883958).

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

12989130 is a wasteful number, since it uses less digits than its factorization.

12989130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12989130 is about 3604.0435624448. The cubic root of 12989130 is about 235.0679145795.

It can be divided in two parts, 129891 and 30, that added together give a palindrome (129921).

The spelling of 12989130 in words is "twelve million, nine hundred eighty-nine thousand, one hundred thirty".