13625388 has 96 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 3820608.

The previous prime is 13625371. The next prime is 13625411. The reversal of 13625388 is 88352631.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 50518 + ... + 50786.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 2^13625388 is an apocalyptic number.

13625388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13625388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20563200).

13625388 is an abundant number, since it is smaller than the sum of its proper divisors (27501012).

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

13625388 is a wasteful number, since it uses less digits than its factorization.

13625388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13625388 is about 3691.2583220360. The cubic root of 13625388 is about 238.8450762109.

The spelling of 13625388 in words is "thirteen million, six hundred twenty-five thousand, three hundred eighty-eight".