12375491 has 2 divisors, whose sum is σ = 12375492. Its totient is φ = 12375490.

The previous prime is 12375469. The next prime is 12375499. The reversal of 12375491 is 19457321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12375491 - 2¹⁴ = 12359107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12375499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6187745 + 6187746.

It is an arithmetic number, because the mean of its divisors is an integer number (6187746).

Almost surely, 2^12375491 is an apocalyptic number.

12375491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12375491 is an equidigital number, since it uses as much as digits as its factorization.

12375491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 12375491 is about 3517.8816068765. The cubic root of 12375491 is about 231.3063095405.

The spelling of 12375491 in words is "twelve million, three hundred seventy-five thousand, four hundred ninety-one".