13748425 has 6 divisors (see below), whose sum is σ = 17048078. Its totient is φ = 10998720.

The previous prime is 13748401. The next prime is 13748429. The reversal of 13748425 is 52484731.

It can be written as a sum of positive squares in 3 ways, for example, as 2699449 + 11048976 = 1643^2 + 3324^2 .

It is not a de Polignac number, because 13748425 - 2⁹ = 13747913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13748429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274944 + ... + 274993.

Almost surely, 2^13748425 is an apocalyptic number.

It is an amenable number.

13748425 is a deficient number, since it is larger than the sum of its proper divisors (3299653).

13748425 is an equidigital number, since it uses as much as digits as its factorization.

13748425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549947 (or 549942 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 13748425 is about 3707.8868645092. The cubic root of 13748425 is about 239.5618452478.

The spelling of 13748425 in words is "thirteen million, seven hundred forty-eight thousand, four hundred twenty-five".