13503801 has 16 divisors (see below), whose sum is σ = 18643968. Its totient is φ = 8688000.

The previous prime is 13503793. The next prime is 13503803. The reversal of 13503801 is 10830531.

It is a happy number.

13503801 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13503801 - 2³ = 13503793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13503803) 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, 11880 + ... + 12966.

It is an arithmetic number, because the mean of its divisors is an integer number (1165248).

Almost surely, 2^13503801 is an apocalyptic number.

It is an amenable number.

13503801 is a deficient number, since it is larger than the sum of its proper divisors (5140167).

13503801 is a wasteful number, since it uses less digits than its factorization.

13503801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13503801 is about 3674.7518283552. The cubic root of 13503801 is about 238.1325027775.

It can be divided in two parts, 1350 and 3801, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 13503801 in words is "thirteen million, five hundred three thousand, eight hundred one".