12293971 has 2 divisors, whose sum is σ = 12293972. Its totient is φ = 12293970.

The previous prime is 12293951. The next prime is 12293989. The reversal of 12293971 is 17939221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12293971 - 2⁹ = 12293459 is a prime.

It is a super-2 number, since 2×12293971² = 302283445897682, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12293951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6146985 + 6146986.

It is an arithmetic number, because the mean of its divisors is an integer number (6146986).

Almost surely, 2^12293971 is an apocalyptic number.

12293971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12293971 is an equidigital number, since it uses as much as digits as its factorization.

12293971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 12293971 is about 3506.2759446455. The cubic root of 12293971 is about 230.7973022461.

The spelling of 12293971 in words is "twelve million, two hundred ninety-three thousand, nine hundred seventy-one".