12455425 has 12 divisors (see below), whose sum is σ = 15584940. Its totient is φ = 9873920.

The previous prime is 12455419. The next prime is 12455449. The reversal of 12455425 is 52455421.

It can be written as a sum of positive squares in 6 ways, for example, as 5438224 + 7017201 = 2332^2 + 2649^2 .

It is not a de Polignac number, because 12455425 - 2⁹ = 12454913 is a prime.

It is a super-2 number, since 2×12455425² = 310275223861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12455393 and 12455402.

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, 621 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1298745).

Almost surely, 2^12455425 is an apocalyptic number.

It is an amenable number.

12455425 is a deficient number, since it is larger than the sum of its proper divisors (3129515).

12455425 is a wasteful number, since it uses less digits than its factorization.

12455425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532 (or 4527 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 12455425 is about 3529.2244190473. The cubic root of 12455425 is about 231.8032480215.

It can be divided in two parts, 12455 and 425, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12455425 in words is "twelve million, four hundred fifty-five thousand, four hundred twenty-five".