13443425 has 12 divisors (see below), whose sum is σ = 16777200. Its totient is φ = 10685520.

The previous prime is 13443407. The next prime is 13443467. The reversal of 13443425 is 52434431.

It is not a de Polignac number, because 13443425 - 2²⁰ = 12394849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13443394 and 13443403.

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, 2426 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (1398100).

Almost surely, 2^13443425 is an apocalyptic number.

It is an amenable number.

13443425 is a deficient number, since it is larger than the sum of its proper divisors (3333775).

13443425 is a wasteful number, since it uses less digits than its factorization.

13443425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472 (or 3467 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 13443425 is about 3666.5276488798. The cubic root of 13443425 is about 237.7770727570. Note that the first 3 decimals are identical.

Adding to 13443425 its reverse (52434431), we get a palindrome (65877856).

The spelling of 13443425 in words is "thirteen million, four hundred forty-three thousand, four hundred twenty-five".