13172025 has 24 divisors (see below), whose sum is σ = 23061024. Its totient is φ = 6611200.

The previous prime is 13172023. The next prime is 13172051. The reversal of 13172025 is 52027131.

It is not a de Polignac number, because 13172025 - 2¹ = 13172023 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 13171992 and 13172010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3891 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (960876).

Almost surely, 2^13172025 is an apocalyptic number.

13172025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13172025 is a deficient number, since it is larger than the sum of its proper divisors (9888999).

13172025 is a wasteful number, since it uses less digits than its factorization.

13172025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10356 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13172025 is about 3629.3284502784. The cubic root of 13172025 is about 236.1660769635.

Adding to 13172025 its reverse (52027131), we get a palindrome (65199156).

The spelling of 13172025 in words is "thirteen million, one hundred seventy-two thousand, twenty-five".