13503550 has 12 divisors (see below), whose sum is σ = 25116696. Its totient is φ = 5401400.

The previous prime is 13503541. The next prime is 13503563. The reversal of 13503550 is 5530531.

It is a happy number.

13503550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134986 + ... + 135085.

It is an arithmetic number, because the mean of its divisors is an integer number (2093058).

Almost surely, 2^13503550 is an apocalyptic number.

13503550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13503550 is a deficient number, since it is larger than the sum of its proper divisors (11613146).

13503550 is a wasteful number, since it uses less digits than its factorization.

13503550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270083 (or 270078 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 13503550 is about 3674.7176762304. The cubic root of 13503550 is about 238.1310273502.

It can be divided in two parts, 1350 and 3550, that added together give a square (4900 = 70²).

The spelling of 13503550 in words is "thirteen million, five hundred three thousand, five hundred fifty".