13102403 has 8 divisors (see below), whose sum is σ = 13921680. Its totient is φ = 12307680.

The previous prime is 13102361. The next prime is 13102417. The reversal of 13102403 is 30420131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13102403 - 2¹⁰ = 13101379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5033 + ... + 7178.

It is an arithmetic number, because the mean of its divisors is an integer number (1740210).

Almost surely, 2^13102403 is an apocalyptic number.

13102403 is a deficient number, since it is larger than the sum of its proper divisors (819277).

13102403 is a wasteful number, since it uses less digits than its factorization.

13102403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13102403 is about 3619.7241607614. The cubic root of 13102403 is about 235.7492488956.

Adding to 13102403 its reverse (30420131), we get a palindrome (43522534).

The spelling of 13102403 in words is "thirteen million, one hundred two thousand, four hundred three".