13725550 has 24 divisors (see below), whose sum is σ = 25670232. Its totient is φ = 5460000.

The previous prime is 13725527. The next prime is 13725559. The reversal of 13725550 is 5552731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9900 + ... + 11200.

It is an arithmetic number, because the mean of its divisors is an integer number (1069593).

Almost surely, 2^13725550 is an apocalyptic number.

13725550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13725550 is a deficient number, since it is larger than the sum of its proper divisors (11944682).

13725550 is a wasteful number, since it uses less digits than its factorization.

13725550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 13725550 is about 3704.8009393218. The cubic root of 13725550 is about 239.4289083412.

The spelling of 13725550 in words is "thirteen million, seven hundred twenty-five thousand, five hundred fifty".