12701939 has 2 divisors, whose sum is σ = 12701940. Its totient is φ = 12701938.

The previous prime is 12701929. The next prime is 12701947. The reversal of 12701939 is 93910721.

It is a happy number.

12701939 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 12701939 - 2⁸ = 12701683 is a prime.

It is a super-2 number, since 2×12701939² = 322678508719442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12701929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350969 + 6350970.

It is an arithmetic number, because the mean of its divisors is an integer number (6350970).

Almost surely, 2^12701939 is an apocalyptic number.

12701939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12701939 is an equidigital number, since it uses as much as digits as its factorization.

12701939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 12701939 is about 3563.9779741182. The cubic root of 12701939 is about 233.3225285246.

The spelling of 12701939 in words is "twelve million, seven hundred one thousand, nine hundred thirty-nine".