13433850 has 120 divisors (see below), whose sum is σ = 38890368. Its totient is φ = 3434400.

The previous prime is 13433837. The next prime is 13433851. The reversal of 13433850 is 5833431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13433851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 125497 + ... + 125603.

Almost surely, 2^13433850 is an apocalyptic number.

13433850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13433850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19445184).

13433850 is an abundant number, since it is smaller than the sum of its proper divisors (25456518).

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

13433850 is a wasteful number, since it uses less digits than its factorization.

13433850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13433850 is about 3665.2216849735. The cubic root of 13433850 is about 237.7206075776.

The spelling of 13433850 in words is "thirteen million, four hundred thirty-three thousand, eight hundred fifty".