12146530 has 32 divisors (see below), whose sum is σ = 24893568. Its totient is φ = 4224000.

The previous prime is 12146527. The next prime is 12146549. The reversal of 12146530 is 3564121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (777924).

Almost surely, 2^12146530 is an apocalyptic number.

12146530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12146530 is an abundant number, since it is smaller than the sum of its proper divisors (12747038).

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

12146530 is a wasteful number, since it uses less digits than its factorization.

12146530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12146530 is about 3485.1872259608. The cubic root of 12146530 is about 229.8709420891.

It can be divided in two parts, 1214 and 6530, that added together give a square (7744 = 88²).

The spelling of 12146530 in words is "twelve million, one hundred forty-six thousand, five hundred thirty".