13122425 has 12 divisors (see below), whose sum is σ = 16436076. Its totient is φ = 10392000.

The previous prime is 13122409. The next prime is 13122437. The reversal of 13122425 is 52422131.

It can be written as a sum of positive squares in 6 ways, for example, as 219961 + 12902464 = 469^2 + 3592^2 .

It is not a de Polignac number, because 13122425 - 2⁴ = 13122409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13122397 and 13122406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (1369673).

Almost surely, 2^13122425 is an apocalyptic number.

It is an amenable number.

13122425 is a deficient number, since it is larger than the sum of its proper divisors (3313651).

13122425 is a wasteful number, since it uses less digits than its factorization.

13122425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5303 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 13122425 is about 3622.4887853519. The cubic root of 13122425 is about 235.8692718964.

Adding to 13122425 its reverse (52422131), we get a palindrome (65544556).

The spelling of 13122425 in words is "thirteen million, one hundred twenty-two thousand, four hundred twenty-five".