13071025 has 36 divisors (see below), whose sum is σ = 18553500. Its totient is φ = 9116800.

The previous prime is 13071017. The next prime is 13071043. The reversal of 13071025 is 52017031.

It can be written as a sum of positive squares in 6 ways, for example, as 1517824 + 11553201 = 1232^2 + 3399^2 .

It is not a de Polignac number, because 13071025 - 2³ = 13071017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13070993 and 13071011.

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 35 ways as a sum of consecutive naturals, for example, 87651 + ... + 87799.

It is an arithmetic number, because the mean of its divisors is an integer number (515375).

Almost surely, 2^13071025 is an apocalyptic number.

It is an amenable number.

13071025 is a deficient number, since it is larger than the sum of its proper divisors (5482475).

13071025 is a wasteful number, since it uses less digits than its factorization.

13071025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 13071025 is about 3615.3872544999. The cubic root of 13071025 is about 235.5609055076.

Adding to 13071025 its reverse (52017031), we get a palindrome (65088056).

It can be divided in two parts, 1307 and 1025, that added together give a palindrome (2332).

The spelling of 13071025 in words is "thirteen million, seventy-one thousand, twenty-five".