12522330 has 64 divisors (see below), whose sum is σ = 35164800. Its totient is φ = 3162240.

The previous prime is 12522329. The next prime is 12522361. The reversal of 12522330 is 3322521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3910 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (549450).

Almost surely, 2^12522330 is an apocalyptic number.

12522330 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 12522330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17582400).

12522330 is an abundant number, since it is smaller than the sum of its proper divisors (22642470).

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

12522330 is a wasteful number, since it uses less digits than its factorization.

12522330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12522330 is about 3538.6904357403. The cubic root of 12522330 is about 232.2175550429.

Adding to 12522330 its reverse (3322521), we get a palindrome (15844851).

The spelling of 12522330 in words is "twelve million, five hundred twenty-two thousand, three hundred thirty".