13211025 has 24 divisors (see below), whose sum is σ = 21948000. Its totient is φ = 7011840.

The previous prime is 13210937. The next prime is 13211059. The reversal of 13211025 is 52011231.

It is not a de Polignac number, because 13211025 - 2¹² = 13206929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13210995 and 13211013.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26226 + ... + 26724.

It is an arithmetic number, because the mean of its divisors is an integer number (914500).

Almost surely, 2^13211025 is an apocalyptic number.

13211025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13211025 is a deficient number, since it is larger than the sum of its proper divisors (8736975).

13211025 is a wasteful number, since it uses less digits than its factorization.

13211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 13211025 is about 3634.6973739226. The cubic root of 13211025 is about 236.3989290809.

Adding to 13211025 its reverse (52011231), we get a palindrome (65222256).

It can be divided in two parts, 1321 and 1025, that added together give a triangular number (2346 = T₆₈).

The spelling of 13211025 in words is "thirteen million, two hundred eleven thousand, twenty-five".