13652520 has 64 divisors (see below), whose sum is σ = 46811520. Its totient is φ = 3120384.

The previous prime is 13652497. The next prime is 13652521. The reversal of 13652520 is 2525631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13652521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7287 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (731430).

Almost surely, 2^13652520 is an apocalyptic number.

13652520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13652520 is an abundant number, since it is smaller than the sum of its proper divisors (33159000).

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

13652520 is a wasteful number, since it uses less digits than its factorization.

13652520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274 (or 16270 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13652520 is about 3694.9316637795. The cubic root of 13652520 is about 239.0035071234.

The spelling of 13652520 in words is "thirteen million, six hundred fifty-two thousand, five hundred twenty".