13618090 has 8 divisors (see below), whose sum is σ = 24512580. Its totient is φ = 5447232.

The previous prime is 13618069. The next prime is 13618091. The reversal of 13618090 is 9081631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 375769 = 3639^2 + 613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13618091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680895 + ... + 680914.

Almost surely, 2^13618090 is an apocalyptic number.

13618090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13618090 is a deficient number, since it is larger than the sum of its proper divisors (10894490).

13618090 is a wasteful number, since it uses less digits than its factorization.

13618090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361816.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13618090 is about 3690.2696378449. The cubic root of 13618090 is about 238.8024253724.

The spelling of 13618090 in words is "thirteen million, six hundred eighteen thousand, ninety".