13211790 has 16 divisors (see below), whose sum is σ = 31708368. Its totient is φ = 3523136.

The previous prime is 13211789. The next prime is 13211801. The reversal of 13211790 is 9711231.

It is a self number, because there is not a number n which added to its sum of digits gives 13211790.

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 in 7 ways as a sum of consecutive naturals, for example, 220167 + ... + 220226.

It is an arithmetic number, because the mean of its divisors is an integer number (1981773).

Almost surely, 2^13211790 is an apocalyptic number.

13211790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211790 is an abundant number, since it is smaller than the sum of its proper divisors (18496578).

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

13211790 is a wasteful number, since it uses less digits than its factorization.

13211790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440403.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 13211790 is about 3634.8026081206. The cubic root of 13211790 is about 236.4034919792.

The spelling of 13211790 in words is "thirteen million, two hundred eleven thousand, seven hundred ninety".