13240203 has 16 divisors (see below), whose sum is σ = 18510336. Its totient is φ = 8402240.

The previous prime is 13240189. The next prime is 13240217. The reversal of 13240203 is 30204231.

It is an interprime number because it is at equal distance from previous prime (13240189) and next prime (13240217).

It is a cyclic number.

It is not a de Polignac number, because 13240203 - 2⁹ = 13239691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13240223) 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, 21151 + ... + 21767.

It is an arithmetic number, because the mean of its divisors is an integer number (1156896).

Almost surely, 2^13240203 is an apocalyptic number.

13240203 is a deficient number, since it is larger than the sum of its proper divisors (5270133).

13240203 is a wasteful number, since it uses less digits than its factorization.

13240203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13240203 is about 3638.7089743479. The cubic root of 13240203 is about 236.5728387789.

Adding to 13240203 its reverse (30204231), we get a palindrome (43444434).

The spelling of 13240203 in words is "thirteen million, two hundred forty thousand, two hundred three".