13123850 has 24 divisors (see below), whose sum is σ = 25200768. Its totient is φ = 5079600.

The previous prime is 13123849. The next prime is 13123861. The reversal of 13123850 is 5832131.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2684 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (1050032).

Almost surely, 2^13123850 is an apocalyptic number.

13123850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123850 is a deficient number, since it is larger than the sum of its proper divisors (12076918).

13123850 is a wasteful number, since it uses less digits than its factorization.

13123850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13123850 is about 3622.6854679919. The cubic root of 13123850 is about 235.8778094837.

Adding to 13123850 its reverse (5832131), we get a palindrome (18955981).

The spelling of 13123850 in words is "thirteen million, one hundred twenty-three thousand, eight hundred fifty".