13955590 has 32 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 5045760.

The previous prime is 13955581. The next prime is 13955593. The reversal of 13955590 is 9555931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13955593) 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 15 ways as a sum of consecutive naturals, for example, 32014 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (861273).

Almost surely, 2^13955590 is an apocalyptic number.

13955590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13955590 is a deficient number, since it is larger than the sum of its proper divisors (13605146).

13955590 is a wasteful number, since it uses less digits than its factorization.

13955590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 13955590 is about 3735.7181371190. The cubic root of 13955590 is about 240.7591126223.

The spelling of 13955590 in words is "thirteen million, nine hundred fifty-five thousand, five hundred ninety".