13066403 has 8 divisors (see below), whose sum is σ = 14961408. Its totient is φ = 11178504.

The previous prime is 13066399. The next prime is 13066409. The reversal of 13066403 is 30466031.

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

It is a cyclic number.

It is not a de Polignac number, because 13066403 - 2² = 13066399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13066409) 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 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (1870176).

Almost surely, 2^13066403 is an apocalyptic number.

13066403 is a deficient number, since it is larger than the sum of its proper divisors (1895005).

13066403 is an equidigital number, since it uses as much as digits as its factorization.

13066403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13066403 is about 3614.7479856831. The cubic root of 13066403 is about 235.5331369415.

The spelling of 13066403 in words is "thirteen million, sixty-six thousand, four hundred three".