13212037 has 4 divisors (see below), whose sum is σ = 13219456. Its totient is φ = 13204620.

The previous prime is 13212013. The next prime is 13212053. The reversal of 13212037 is 73021231.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73021231 = 6983 ⋅10457.

It is a cyclic number.

It is not a de Polignac number, because 13212037 - 2¹⁵ = 13179269 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212007) 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, 748 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (3304864).

Almost surely, 2^13212037 is an apocalyptic number.

It is an amenable number.

13212037 is a deficient number, since it is larger than the sum of its proper divisors (7419).

13212037 is an equidigital number, since it uses as much as digits as its factorization.

13212037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13212037 is about 3634.8365850475. The cubic root of 13212037 is about 236.4049651911.

Adding to 13212037 its reverse (73021231), we get a palindrome (86233268).

The spelling of 13212037 in words is "thirteen million, two hundred twelve thousand, thirty-seven".