13365390 has 32 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 3487904.

The previous prime is 13365367. The next prime is 13365409. The reversal of 13365390 is 9356331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (1023840).

Almost surely, 2^13365390 is an apocalyptic number.

13365390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13365390 is an abundant number, since it is smaller than the sum of its proper divisors (19397490).

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

13365390 is a wasteful number, since it uses less digits than its factorization.

13365390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 13365390 is about 3655.8706213432. The cubic root of 13365390 is about 237.3161051087.

The spelling of 13365390 in words is "thirteen million, three hundred sixty-five thousand, three hundred ninety".