12124377 has 8 divisors (see below), whose sum is σ = 17962080. Its totient is φ = 8082900.

The previous prime is 12124369. The next prime is 12124423. The reversal of 12124377 is 77342121.

It is a happy number.

It is not a de Polignac number, because 12124377 - 2³ = 12124369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 449051 = 12124377 / (1 + 2 + 1 + 2 + 4 + 3 + 7 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 12124377.

It is not an unprimeable number, because it can be changed into a prime (12124327) 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, 224499 + ... + 224552.

It is an arithmetic number, because the mean of its divisors is an integer number (2245260).

Almost surely, 2^12124377 is an apocalyptic number.

It is an amenable number.

12124377 is a deficient number, since it is larger than the sum of its proper divisors (5837703).

12124377 is an equidigital number, since it uses as much as digits as its factorization.

12124377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449060 (or 449054 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12124377 is about 3482.0076105603. The cubic root of 12124377 is about 229.7311098369.

Adding to 12124377 its reverse (77342121), we get a palindrome (89466498).

The spelling of 12124377 in words is "twelve million, one hundred twenty-four thousand, three hundred seventy-seven".