13381625 has 8 divisors (see below), whose sum is σ = 16700424. Its totient is φ = 10705200.

The previous prime is 13381597. The next prime is 13381633. The reversal of 13381625 is 52618331.

It can be written as a sum of positive squares in 4 ways, for example, as 44521 + 13337104 = 211^2 + 3652^2 .

It is not a de Polignac number, because 13381625 - 2¹⁶ = 13316089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53402 + ... + 53651.

It is an arithmetic number, because the mean of its divisors is an integer number (2087553).

Almost surely, 2^13381625 is an apocalyptic number.

It is an amenable number.

13381625 is a deficient number, since it is larger than the sum of its proper divisors (3318799).

13381625 is an equidigital number, since it uses as much as digits as its factorization.

13381625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107068 (or 107058 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 13381625 is about 3658.0903488022. The cubic root of 13381625 is about 237.4121558788.

Adding to 13381625 its reverse (52618331), we get a palindrome (65999956).

The spelling of 13381625 in words is "thirteen million, three hundred eighty-one thousand, six hundred twenty-five".