13124425 has 12 divisors (see below), whose sum is σ = 17232156. Its totient is φ = 9881600.

The previous prime is 13124399. The next prime is 13124431. The reversal of 13124425 is 52442131.

It can be written as a sum of positive squares in 6 ways, for example, as 1201216 + 11923209 = 1096^2 + 3453^2 .

It is not a de Polignac number, because 13124425 - 2⁵ = 13124393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124396 and 13124405.

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, 15016 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (1436013).

Almost surely, 2^13124425 is an apocalyptic number.

It is an amenable number.

13124425 is a deficient number, since it is larger than the sum of its proper divisors (4107731).

13124425 is a wasteful number, since it uses less digits than its factorization.

13124425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30908 (or 30903 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 13124425 is about 3622.7648281389. The cubic root of 13124425 is about 235.8812543001.

Adding to 13124425 its reverse (52442131), we get a palindrome (65566556).

The spelling of 13124425 in words is "thirteen million, one hundred twenty-four thousand, four hundred twenty-five".