12265951 has 2 divisors, whose sum is σ = 12265952. Its totient is φ = 12265950.

The previous prime is 12265943. The next prime is 12265973. The reversal of 12265951 is 15956221.

It is a weak prime.

It is an emirp because it is prime and its reverse (15956221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12265951 - 2³ = 12265943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12265901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6132975 + 6132976.

It is an arithmetic number, because the mean of its divisors is an integer number (6132976).

Almost surely, 2^12265951 is an apocalyptic number.

12265951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265951 is an equidigital number, since it uses as much as digits as its factorization.

12265951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 12265951 is about 3502.2779729770. The cubic root of 12265951 is about 230.6218270826.

The spelling of 12265951 in words is "twelve million, two hundred sixty-five thousand, nine hundred fifty-one".