13452660 has 72 divisors (see below), whose sum is σ = 43953000. Its totient is φ = 3310848.

The previous prime is 13452641. The next prime is 13452683. The reversal of 13452660 is 6625431.

13452660 is a `hidden beast` number, since 134 + 526 + 6 + 0 = 666.

13452660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 535824 + 12916836 = 732^2 + 3594^2 .

It is a super-2 number, since 2×13452660² = 361948122151200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535 + ... + 5214.

Almost surely, 2^13452660 is an apocalyptic number.

13452660 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 13452660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21976500).

13452660 is an abundant number, since it is smaller than the sum of its proper divisors (30500340).

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

13452660 is a wasteful number, since it uses less digits than its factorization.

13452660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 13452660 is about 3667.7867986021. The cubic root of 13452660 is about 237.8315075120.

It can be divided in two parts, 1345 and 2660, that added together give a triangular number (4005 = T₈₉).

The spelling of 13452660 in words is "thirteen million, four hundred fifty-two thousand, six hundred sixty".