13425390 has 96 divisors (see below), whose sum is σ = 38817792. Its totient is φ = 3192000.

The previous prime is 13425341. The next prime is 13425403. The reversal of 13425390 is 9352431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70195 + ... + 70385.

It is an arithmetic number, because the mean of its divisors is an integer number (404352).

Almost surely, 2^13425390 is an apocalyptic number.

13425390 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 13425390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19408896).

13425390 is an abundant number, since it is smaller than the sum of its proper divisors (25392402).

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

13425390 is a wasteful number, since it uses less digits than its factorization.

13425390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

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

The square root of 13425390 is about 3664.0674120436. The cubic root of 13425390 is about 237.6706953867.

The spelling of 13425390 in words is "thirteen million, four hundred twenty-five thousand, three hundred ninety".