13372013 has 4 divisors (see below), whose sum is σ = 14158620. Its totient is φ = 12585408.

The previous prime is 13372003. The next prime is 13372043. The reversal of 13372013 is 31027331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 1247689 = 3482^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 13372013 - 2²² = 9177709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372003) 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 3 ways as a sum of consecutive naturals, for example, 393278 + ... + 393311.

It is an arithmetic number, because the mean of its divisors is an integer number (3539655).

Almost surely, 2^13372013 is an apocalyptic number.

It is an amenable number.

13372013 is a deficient number, since it is larger than the sum of its proper divisors (786607).

13372013 is an equidigital number, since it uses as much as digits as its factorization.

13372013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786606.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13372013 is about 3656.7763125463. The cubic root of 13372013 is about 237.3552980047.

Adding to 13372013 its reverse (31027331), we get a palindrome (44399344).

The spelling of 13372013 in words is "thirteen million, three hundred seventy-two thousand, thirteen".