12140971 has 2 divisors, whose sum is σ = 12140972. Its totient is φ = 12140970.

The previous prime is 12140963. The next prime is 12140977. The reversal of 12140971 is 17904121.

12140971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12140971 - 2³ = 12140963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12140977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070485 + 6070486.

It is an arithmetic number, because the mean of its divisors is an integer number (6070486).

Almost surely, 2^12140971 is an apocalyptic number.

12140971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140971 is an equidigital number, since it uses as much as digits as its factorization.

12140971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 12140971 is about 3484.3896165613. The cubic root of 12140971 is about 229.8358690393.

It can be divided in two parts, 12140 and 971, that multiplied together give a triangular number (11787940 = T₄₈₅₅).

The spelling of 12140971 in words is "twelve million, one hundred forty thousand, nine hundred seventy-one".