13452390 has 96 divisors (see below), whose sum is σ = 40525056. Its totient is φ = 3032640.

The previous prime is 13452359. The next prime is 13452403. The reversal of 13452390 is 9325431.

13452390 is a `hidden beast` number, since 134 + 523 + 9 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 82449 + ... + 82611.

It is an arithmetic number, because the mean of its divisors is an integer number (422136).

Almost surely, 2^13452390 is an apocalyptic number.

13452390 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 13452390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20262528).

13452390 is an abundant number, since it is smaller than the sum of its proper divisors (27072666).

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

13452390 is a wasteful number, since it uses less digits than its factorization.

13452390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13452390 is about 3667.7499914798. The cubic root of 13452390 is about 237.8299163784.

The spelling of 13452390 in words is "thirteen million, four hundred fifty-two thousand, three hundred ninety".