12424137 has 16 divisors (see below), whose sum is σ = 18137088. Its totient is φ = 7502480.

The previous prime is 12424123. The next prime is 12424177. The reversal of 12424137 is 73142421.

It is a happy number.

12424137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12424137 - 2⁶ = 12424073 is a prime.

It is a super-3 number, since 3×12424137³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12424177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12148 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (1133568).

Almost surely, 2^12424137 is an apocalyptic number.

It is an amenable number.

12424137 is a deficient number, since it is larger than the sum of its proper divisors (5712951).

12424137 is a wasteful number, since it uses less digits than its factorization.

12424137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 1344, while the sum is 24.

The square root of 12424137 is about 3524.7889298510. The cubic root of 12424137 is about 231.6089888559.

Adding to 12424137 its reverse (73142421), we get a palindrome (85566558).

It can be divided in two parts, 12424 and 137, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12424137 in words is "twelve million, four hundred twenty-four thousand, one hundred thirty-seven".