13326390 has 128 divisors (see below), whose sum is σ = 44375040. Its totient is φ = 2764800.

The previous prime is 13326377. The next prime is 13326403. The reversal of 13326390 is 9362331.

13326390 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 an interprime number because it is at equal distance from previous prime (13326377) and next prime (13326403).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20470 + ... + 21110.

It is an arithmetic number, because the mean of its divisors is an integer number (346680).

Almost surely, 2^13326390 is an apocalyptic number.

13326390 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 13326390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22187520).

13326390 is an abundant number, since it is smaller than the sum of its proper divisors (31048650).

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

13326390 is a wasteful number, since it uses less digits than its factorization.

13326390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 13326390 is about 3650.5328378197. The cubic root of 13326390 is about 237.0850519926.

The spelling of 13326390 in words is "thirteen million, three hundred twenty-six thousand, three hundred ninety".