13153403 has 4 divisors (see below), whose sum is σ = 13276440. Its totient is φ = 13030368.

The previous prime is 13153397. The next prime is 13153417. The reversal of 13153403 is 30435131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30435131 = 19 ⋅1601849.

It is a cyclic number.

It is not a de Polignac number, because 13153403 - 2¹⁸ = 12891259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13153423) 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, 61358 + ... + 61571.

It is an arithmetic number, because the mean of its divisors is an integer number (3319110).

Almost surely, 2^13153403 is an apocalyptic number.

13153403 is a deficient number, since it is larger than the sum of its proper divisors (123037).

13153403 is a wasteful number, since it uses less digits than its factorization.

13153403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123036.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13153403 is about 3626.7620545054. The cubic root of 13153403 is about 236.0547309145.

Adding to 13153403 its reverse (30435131), we get a palindrome (43588534).

The spelling of 13153403 in words is "thirteen million, one hundred fifty-three thousand, four hundred three".