13925340 has 144 divisors (see below), whose sum is σ = 49716576. Its totient is φ = 3110400.

The previous prime is 13925333. The next prime is 13925341. The reversal of 13925340 is 4352931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13925341) 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, 25470 + ... + 26010.

It is an arithmetic number, because the mean of its divisors is an integer number (345254).

Almost surely, 2^13925340 is an apocalyptic number.

13925340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13925340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24858288).

13925340 is an abundant number, since it is smaller than the sum of its proper divisors (35791236).

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

13925340 is a wasteful number, since it uses less digits than its factorization.

13925340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13925340 is about 3731.6671877326. The cubic root of 13925340 is about 240.5850310855.

The spelling of 13925340 in words is "thirteen million, nine hundred twenty-five thousand, three hundred forty".