13333413 has 4 divisors (see below), whose sum is σ = 17777888. Its totient is φ = 8888940.

The previous prime is 13333409. The next prime is 13333427. The reversal of 13333413 is 31433331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13333413 - 2² = 13333409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13333413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222233 + ... + 2222238.

It is an arithmetic number, because the mean of its divisors is an integer number (4444472).

Almost surely, 2^13333413 is an apocalyptic number.

It is an amenable number.

13333413 is a deficient number, since it is larger than the sum of its proper divisors (4444475).

13333413 is an equidigital number, since it uses as much as digits as its factorization.

13333413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444474.

The product of its digits is 972, while the sum is 21.

The square root of 13333413 is about 3651.4946254924. The cubic root of 13333413 is about 237.1266925748.

Adding to 13333413 its reverse (31433331), we get a palindrome (44766744).

The spelling of 13333413 in words is "thirteen million, three hundred thirty-three thousand, four hundred thirteen".