13091925 has 48 divisors (see below), whose sum is σ = 26998272. Its totient is φ = 5438400.

The previous prime is 13091879. The next prime is 13091929. The reversal of 13091925 is 52919031.

13091925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13091925 - 2⁹ = 13091413 is a prime.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 13091892 and 13091901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13091929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4642 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (562464).

Almost surely, 2^13091925 is an apocalyptic number.

13091925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13091925 is an abundant number, since it is smaller than the sum of its proper divisors (13906347).

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

13091925 is a wasteful number, since it uses less digits than its factorization.

13091925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 13091925 is about 3618.2765234294. The cubic root of 13091925 is about 235.6863891950.

The spelling of 13091925 in words is "thirteen million, ninety-one thousand, nine hundred twenty-five".