13206390 has 32 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 3495264.

The previous prime is 13206377. The next prime is 13206407. The reversal of 13206390 is 9360231.

13206390 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13206390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^13206390 is an apocalyptic number.

13206390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13206390 is an abundant number, since it is smaller than the sum of its proper divisors (18727050).

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

13206390 is a wasteful number, since it uses less digits than its factorization.

13206390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13206390 is about 3634.0597133234. The cubic root of 13206390 is about 236.3712795180.

It can be divided in two parts, 13 and 206390, that added together give a triangular number (206403 = T₆₄₂).

The spelling of 13206390 in words is "thirteen million, two hundred six thousand, three hundred ninety".