12701993 has 2 divisors, whose sum is σ = 12701994. Its totient is φ = 12701992.

The previous prime is 12701981. The next prime is 12702031. The reversal of 12701993 is 39910721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7118224 + 5583769 = 2668^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12701993 - 2⁶ = 12701929 is a prime.

It is a super-2 number, since 2×12701993² = 322681252344098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12701903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350996 + 6350997.

It is an arithmetic number, because the mean of its divisors is an integer number (6350997).

Almost surely, 2^12701993 is an apocalyptic number.

It is an amenable number.

12701993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12701993 is an equidigital number, since it uses as much as digits as its factorization.

12701993 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 12701993 is about 3563.9855499146. The cubic root of 12701993 is about 233.3228591670.

The spelling of 12701993 in words is "twelve million, seven hundred one thousand, nine hundred ninety-three".