13442625 has 64 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 6134400.

The previous prime is 13442621. The next prime is 13442641. The reversal of 13442625 is 52624431.

13442625 is a `hidden beast` number, since 1 + 34 + 4 + 2 + 625 = 666.

It is not a de Polignac number, because 13442625 - 2² = 13442621 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13442621) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 23341 + ... + 23909.

It is an arithmetic number, because the mean of its divisors is an integer number (444600).

Almost surely, 2^13442625 is an apocalyptic number.

13442625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442625 is an abundant number, since it is smaller than the sum of its proper divisors (15011775).

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

13442625 is an equidigital number, since it uses as much as digits as its factorization.

13442625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 584 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 13442625 is about 3666.4185522114. The cubic root of 13442625 is about 237.7723560663.

It can be divided in two parts, 1344 and 2625, that added together give a square (3969 = 63²).

The spelling of 13442625 in words is "thirteen million, four hundred forty-two thousand, six hundred twenty-five".