13082403 has 32 divisors (see below), whose sum is σ = 19095552. Its totient is φ = 7948800.

The previous prime is 13082387. The next prime is 13082411. The reversal of 13082403 is 30428031.

It is a happy number.

It is not a de Polignac number, because 13082403 - 2⁴ = 13082387 is a prime.

It is a super-2 number, since 2×13082403² = 342298536508818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13082403.

It is not an unprimeable number, because it can be changed into a prime (13082413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179175 + ... + 179247.

It is an arithmetic number, because the mean of its divisors is an integer number (596736).

Almost surely, 2^13082403 is an apocalyptic number.

13082403 is a deficient number, since it is larger than the sum of its proper divisors (6013149).

13082403 is a wasteful number, since it uses less digits than its factorization.

13082403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13082403 is about 3616.9604642572. The cubic root of 13082403 is about 235.6292356416.

The spelling of 13082403 in words is "thirteen million, eighty-two thousand, four hundred three".