12148637 has 2 divisors, whose sum is σ = 12148638. Its totient is φ = 12148636.

The previous prime is 12148613. The next prime is 12148639. The reversal of 12148637 is 73684121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 784996 = 3371^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 12148637 - 2⁶ = 12148573 is a prime.

Together with 12148639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12148639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6074318 + 6074319.

It is an arithmetic number, because the mean of its divisors is an integer number (6074319).

Almost surely, 2^12148637 is an apocalyptic number.

It is an amenable number.

12148637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12148637 is an equidigital number, since it uses as much as digits as its factorization.

12148637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 12148637 is about 3485.4894921661. The cubic root of 12148637 is about 229.8842328554.

The spelling of 12148637 in words is "twelve million, one hundred forty-eight thousand, six hundred thirty-seven".