13659090 has 32 divisors (see below), whose sum is σ = 33341760. Its totient is φ = 3580224.

The previous prime is 13659083. The next prime is 13659091. The reversal of 13659090 is 9095631.

13659090 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13659091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (1041930).

Almost surely, 2^13659090 is an apocalyptic number.

13659090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13659090 is an abundant number, since it is smaller than the sum of its proper divisors (19682670).

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

13659090 is a wasteful number, since it uses less digits than its factorization.

13659090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 13659090 is about 3695.8206125298. The cubic root of 13659090 is about 239.0418395149.

The spelling of 13659090 in words is "thirteen million, six hundred fifty-nine thousand, ninety".