12231546 has 16 divisors (see below), whose sum is σ = 25252608. Its totient is φ = 3945600.

The previous prime is 12231539. The next prime is 12231547. The reversal of 12231546 is 64513221.

It is a super-2 number, since 2×12231546² = 299221435100232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12231547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32695 + ... + 33066.

It is an arithmetic number, because the mean of its divisors is an integer number (1578288).

Almost surely, 2^12231546 is an apocalyptic number.

12231546 is an abundant number, since it is smaller than the sum of its proper divisors (13021062).

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

12231546 is a wasteful number, since it uses less digits than its factorization.

12231546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65797.

The product of its digits is 1440, while the sum is 24.

The square root of 12231546 is about 3497.3627206797. The cubic root of 12231546 is about 230.4059999764.

Adding to 12231546 its reverse (64513221), we get a palindrome (76744767).

The spelling of 12231546 in words is "twelve million, two hundred thirty-one thousand, five hundred forty-six".