13212003 has 8 divisors (see below), whose sum is σ = 20132608. Its totient is φ = 7549704.

The previous prime is 13211993. The next prime is 13212007. The reversal of 13212003 is 30021231.

It is a happy number.

13212003 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13212003 - 2¹³ = 13203811 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13212003.

It is not an unprimeable number, because it can be changed into a prime (13212007) 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, 314551 + ... + 314592.

It is an arithmetic number, because the mean of its divisors is an integer number (2516576).

Almost surely, 2^13212003 is an apocalyptic number.

13212003 is a deficient number, since it is larger than the sum of its proper divisors (6920605).

13212003 is an equidigital number, since it uses as much as digits as its factorization.

13212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629153.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13212003 is about 3634.8319080805. The cubic root of 13212003 is about 236.4047624019.

Adding to 13212003 its reverse (30021231), we get a palindrome (43233234).

The spelling of 13212003 in words is "thirteen million, two hundred twelve thousand, three".