13151203 has 4 divisors (see below), whose sum is σ = 14162848. Its totient is φ = 12139560.

The previous prime is 13151197. The next prime is 13151227. The reversal of 13151203 is 30215131.

13151203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30215131 = 3061 ⋅9871.

It is a cyclic number.

It is not a de Polignac number, because 13151203 - 2¹⁷ = 13020131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13151233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505803 + ... + 505828.

It is an arithmetic number, because the mean of its divisors is an integer number (3540712).

Almost surely, 2^13151203 is an apocalyptic number.

13151203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13151203 is a deficient number, since it is larger than the sum of its proper divisors (1011645).

13151203 is a wasteful number, since it uses less digits than its factorization.

13151203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011644.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13151203 is about 3626.4587409758. The cubic root of 13151203 is about 236.0415695710.

Adding to 13151203 its reverse (30215131), we get a palindrome (43366334).

The spelling of 13151203 in words is "thirteen million, one hundred fifty-one thousand, two hundred three".