12257435 has 4 divisors (see below), whose sum is σ = 14708928. Its totient is φ = 9805944.

The previous prime is 12257429. The next prime is 12257447. The reversal of 12257435 is 53475221.

It is a happy number.

12257435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53475221 = 5501 ⋅9721.

It is a cyclic number.

It is not a de Polignac number, because 12257435 - 2⁴ = 12257419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12257398 and 12257407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225739 + ... + 1225748.

It is an arithmetic number, because the mean of its divisors is an integer number (3677232).

Almost surely, 2^12257435 is an apocalyptic number.

12257435 is a deficient number, since it is larger than the sum of its proper divisors (2451493).

12257435 is an equidigital number, since it uses as much as digits as its factorization.

12257435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451492.

The product of its digits is 8400, while the sum is 29.

The square root of 12257435 is about 3501.0619817421. The cubic root of 12257435 is about 230.5684427134.

The spelling of 12257435 in words is "twelve million, two hundred fifty-seven thousand, four hundred thirty-five".