12434425 has 12 divisors (see below), whose sum is σ = 15473340. Its totient is φ = 9912320.

The previous prime is 12434369. The next prime is 12434447. The reversal of 12434425 is 52443421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3125824 + 9308601 = 1768^2 + 3051^2 .

It is not a de Polignac number, because 12434425 - 2⁷ = 12434297 is a prime.

It is a super-2 number, since 2×12434425² = 309229850161250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 12434425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8121 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (1289445).

Almost surely, 2^12434425 is an apocalyptic number.

It is an amenable number.

12434425 is a deficient number, since it is larger than the sum of its proper divisors (3038915).

12434425 is a wasteful number, since it uses less digits than its factorization.

12434425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1767 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 12434425 is about 3526.2480060257. The cubic root of 12434425 is about 231.6729003608.

Adding to 12434425 its reverse (52443421), we get a palindrome (64877846).

The spelling of 12434425 in words is "twelve million, four hundred thirty-four thousand, four hundred twenty-five".