13072025 has 6 divisors (see below), whose sum is σ = 16209342. Its totient is φ = 10457600.

The previous prime is 13072021. The next prime is 13072067. The reversal of 13072025 is 52027031.

It can be written as a sum of positive squares in 3 ways, for example, as 737881 + 12334144 = 859^2 + 3512^2 .

It is not a de Polignac number, because 13072025 - 2² = 13072021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13071988 and 13072006.

It is not an unprimeable number, because it can be changed into a prime (13072021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261416 + ... + 261465.

It is an arithmetic number, because the mean of its divisors is an integer number (2701557).

Almost surely, 2^13072025 is an apocalyptic number.

It is an amenable number.

13072025 is a deficient number, since it is larger than the sum of its proper divisors (3137317).

13072025 is an equidigital number, since it uses as much as digits as its factorization.

13072025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522891 (or 522886 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13072025 is about 3615.5255496262. The cubic root of 13072025 is about 235.5669125575.

Adding to 13072025 its reverse (52027031), we get a palindrome (65099056).

The spelling of 13072025 in words is "thirteen million, seventy-two thousand, twenty-five".