12190213 has 4 divisors (see below), whose sum is σ = 13931680. Its totient is φ = 10448748.

The previous prime is 12190187. The next prime is 12190219. The reversal of 12190213 is 31209121.

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 an emirpimes, since its reverse is a distinct semiprime: 31209121 = 163 ⋅191467.

It is a cyclic number.

It is not a de Polignac number, because 12190213 - 2¹⁷ = 12059141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190219) 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, 870723 + ... + 870736.

It is an arithmetic number, because the mean of its divisors is an integer number (3482920).

Almost surely, 2^12190213 is an apocalyptic number.

It is an amenable number.

12190213 is a deficient number, since it is larger than the sum of its proper divisors (1741467).

12190213 is an equidigital number, since it uses as much as digits as its factorization.

12190213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741466.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12190213 is about 3491.4485532512. The cubic root of 12190213 is about 230.1461767687.

Adding to 12190213 its reverse (31209121), we get a palindrome (43399334).

It can be divided in two parts, 12190 and 213, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12190213 in words is "twelve million, one hundred ninety thousand, two hundred thirteen".