13212148 has 12 divisors (see below), whose sum is σ = 23181732. Its totient is φ = 6588800.

The previous prime is 13212131. The next prime is 13212151. The reversal of 13212148 is 84121231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11437924 + 1774224 = 3382^2 + 1332^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (1931811).

Almost surely, 2^13212148 is an apocalyptic number.

It is an amenable number.

13212148 is a deficient number, since it is larger than the sum of its proper divisors (9969584).

13212148 is a wasteful number, since it uses less digits than its factorization.

13212148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642 (or 8640 counting only the distinct ones).

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

The square root of 13212148 is about 3634.8518539275. The cubic root of 13212148 is about 236.4056272358.

Adding to 13212148 its reverse (84121231), we get a palindrome (97333379).

The spelling of 13212148 in words is "thirteen million, two hundred twelve thousand, one hundred forty-eight".