13650838 has 4 divisors (see below), whose sum is σ = 20476260. Its totient is φ = 6825418.

The previous prime is 13650829. The next prime is 13650883. The reversal of 13650838 is 83805631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3412708 + ... + 3412711.

It is an arithmetic number, because the mean of its divisors is an integer number (5119065).

Almost surely, 2^13650838 is an apocalyptic number.

13650838 is a deficient number, since it is larger than the sum of its proper divisors (6825422).

13650838 is an equidigital number, since it uses as much as digits as its factorization.

13650838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825421.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13650838 is about 3694.7040476877. The cubic root of 13650838 is about 238.9936915873.

The spelling of 13650838 in words is "thirteen million, six hundred fifty thousand, eight hundred thirty-eight".