13715550 has 72 divisors (see below), whose sum is σ = 38156040. Its totient is φ = 3528000.

The previous prime is 13715539. The next prime is 13715557. The reversal of 13715550 is 5551731.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13715557) 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, 12525 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (529945).

Almost surely, 2^13715550 is an apocalyptic number.

13715550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13715550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19078020).

13715550 is an abundant number, since it is smaller than the sum of its proper divisors (24440490).

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

13715550 is a wasteful number, since it uses less digits than its factorization.

13715550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 13715550 is about 3703.4510932372. The cubic root of 13715550 is about 239.3707474470.

The spelling of 13715550 in words is "thirteen million, seven hundred fifteen thousand, five hundred fifty".