12153247 has 2 divisors, whose sum is σ = 12153248. Its totient is φ = 12153246.

The previous prime is 12153221. The next prime is 12153299. The reversal of 12153247 is 74235121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12153247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12153847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076623 + 6076624.

It is an arithmetic number, because the mean of its divisors is an integer number (6076624).

Almost surely, 2^12153247 is an apocalyptic number.

12153247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12153247 is an equidigital number, since it uses as much as digits as its factorization.

12153247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 12153247 is about 3486.1507425813. The cubic root of 12153247 is about 229.9133069618.

Adding to 12153247 its reverse (74235121), we get a palindrome (86388368).

The spelling of 12153247 in words is "twelve million, one hundred fifty-three thousand, two hundred forty-seven".