12152401 has 2 divisors, whose sum is σ = 12152402. Its totient is φ = 12152400.

The previous prime is 12152389. The next prime is 12152411. The reversal of 12152401 is 10425121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 5267025 = 2624^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 12152401 - 2¹¹ = 12150353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12152411) by changing a digit.

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 as a sum of consecutive naturals, namely, 6076200 + 6076201.

It is an arithmetic number, because the mean of its divisors is an integer number (6076201).

Almost surely, 2^12152401 is an apocalyptic number.

It is an amenable number.

12152401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152401 is an equidigital number, since it uses as much as digits as its factorization.

12152401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12152401 is about 3486.0294032036. The cubic root of 12152401 is about 229.9079720042.

Adding to 12152401 its reverse (10425121), we get a palindrome (22577522).

The spelling of 12152401 in words is "twelve million, one hundred fifty-two thousand, four hundred one".