12148213 has 8 divisors (see below), whose sum is σ = 15145920. Its totient is φ = 9466080.

The previous prime is 12148207. The next prime is 12148219. The reversal of 12148213 is 31284121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12148207) and next prime (12148219).

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

It is a cyclic number.

It is not a de Polignac number, because 12148213 - 2⁹ = 12147701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148219) 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, 78808 + ... + 78961.

It is an arithmetic number, because the mean of its divisors is an integer number (1893240).

Almost surely, 2^12148213 is an apocalyptic number.

It is an amenable number.

12148213 is a deficient number, since it is larger than the sum of its proper divisors (2997707).

12148213 is a wasteful number, since it uses less digits than its factorization.

12148213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157787.

The product of its digits is 384, while the sum is 22.

The square root of 12148213 is about 3485.4286680407. The cubic root of 12148213 is about 229.8815584251.

It can be divided in two parts, 1214821 and 3, that multiplied together give a palindrome (3644463).

The spelling of 12148213 in words is "twelve million, one hundred forty-eight thousand, two hundred thirteen".