13212151 has 2 divisors, whose sum is σ = 13212152. Its totient is φ = 13212150.

The previous prime is 13212131. The next prime is 13212161. The reversal of 13212151 is 15121231.

It is a strong prime.

It is an emirp because it is prime and its reverse (15121231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13212151 - 2¹¹ = 13210103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13212131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606075 + 6606076.

It is an arithmetic number, because the mean of its divisors is an integer number (6606076).

Almost surely, 2^13212151 is an apocalyptic number.

13212151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212151 is an equidigital number, since it uses as much as digits as its factorization.

13212151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 16.

The square root of 13212151 is about 3634.8522665990. The cubic root of 13212151 is about 236.4056451288.

Adding to 13212151 its reverse (15121231), we get a palindrome (28333382).

The spelling of 13212151 in words is "thirteen million, two hundred twelve thousand, one hundred fifty-one".