13452740 has 48 divisors (see below), whose sum is σ = 32495232. Its totient is φ = 4582656.

The previous prime is 13452739. The next prime is 13452743. The reversal of 13452740 is 4725431.

It is not an unprimeable number, because it can be changed into a prime (13452743) 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 15 ways as a sum of consecutive naturals, for example, 42824 + ... + 43136.

It is an arithmetic number, because the mean of its divisors is an integer number (676984).

Almost surely, 2^13452740 is an apocalyptic number.

13452740 is a gapful number since it is divisible by the number (10) 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 13452740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16247616).

13452740 is an abundant number, since it is smaller than the sum of its proper divisors (19042492).

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

13452740 is a wasteful number, since it uses less digits than its factorization.

13452740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13452740 is about 3667.7977043452. The cubic root of 13452740 is about 237.8319789549.

The spelling of 13452740 in words is "thirteen million, four hundred fifty-two thousand, seven hundred forty".