12124546 has 24 divisors (see below), whose sum is σ = 21945600. Its totient is φ = 4920696.

The previous prime is 12124537. The next prime is 12124547. The reversal of 12124546 is 64542121.

It is a happy number.

It is a super-2 number, since 2×12124546² = 294009231412232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12124546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3855 + ... + 6253.

It is an arithmetic number, because the mean of its divisors is an integer number (914400).

Almost surely, 2^12124546 is an apocalyptic number.

12124546 is a deficient number, since it is larger than the sum of its proper divisors (9821054).

12124546 is a wasteful number, since it uses less digits than its factorization.

12124546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2427 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 12124546 is about 3482.0318780850. The cubic root of 12124546 is about 229.7321772286.

Adding to 12124546 its reverse (64542121), we get a palindrome (76666667).

The spelling of 12124546 in words is "twelve million, one hundred twenty-four thousand, five hundred forty-six".