13650146 has 8 divisors (see below), whose sum is σ = 20499804. Its totient is φ = 6816880.

The previous prime is 13650139. The next prime is 13650149. The reversal of 13650146 is 64105631.

It can be written as a sum of positive squares in 2 ways, for example, as 13213225 + 436921 = 3635^2 + 661^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13650149) 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, 1745 + ... + 5508.

Almost surely, 2^13650146 is an apocalyptic number.

13650146 is a deficient number, since it is larger than the sum of its proper divisors (6849658).

13650146 is an equidigital number, since it uses as much as digits as its factorization.

13650146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13650146 is about 3694.6103989460. The cubic root of 13650146 is about 238.9896530945.

Adding to 13650146 its reverse (64105631), we get a palindrome (77755777).

The spelling of 13650146 in words is "thirteen million, six hundred fifty thousand, one hundred forty-six".