13259925 has 36 divisors (see below), whose sum is σ = 27146080. Its totient is φ = 6060960.

The previous prime is 13259923. The next prime is 13259941. The reversal of 13259925 is 52995231.

It is a happy number.

It is not a de Polignac number, because 13259925 - 2¹ = 13259923 is a prime.

It is a super-2 number, since 2×13259925² = 351651222011250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13259925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259921) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2635 + ... + 5784.

Almost surely, 2^13259925 is an apocalyptic number.

13259925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13259925 is an abundant number, since it is smaller than the sum of its proper divisors (13886155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13259925 is a wasteful number, since it uses less digits than its factorization.

13259925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442 (or 8434 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 13259925 is about 3641.4179930351. The cubic root of 13259925 is about 236.6902431934.

The spelling of 13259925 in words is "thirteen million, two hundred fifty-nine thousand, nine hundred twenty-five".