13247003 has 16 divisors (see below), whose sum is σ = 16857600. Its totient is φ = 10319400.

The previous prime is 13246991. The next prime is 13247023. The reversal of 13247003 is 30074231.

It is not a de Polignac number, because 13247003 - 2⁸ = 13246747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13247023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (1053600).

Almost surely, 2^13247003 is an apocalyptic number.

13247003 is a deficient number, since it is larger than the sum of its proper divisors (3610597).

13247003 is an equidigital number, since it uses as much as digits as its factorization.

13247003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13247003 is about 3639.6432517487. The cubic root of 13247003 is about 236.6133321152.

The spelling of 13247003 in words is "thirteen million, two hundred forty-seven thousand, three".