12694207 has 2 divisors, whose sum is σ = 12694208. Its totient is φ = 12694206.

The previous prime is 12694169. The next prime is 12694217. The reversal of 12694207 is 70249621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12694207 is a prime.

It is a super-2 number, since 2×12694207² = 322285782717698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12694217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347103 + 6347104.

It is an arithmetic number, because the mean of its divisors is an integer number (6347104).

Almost surely, 2^12694207 is an apocalyptic number.

12694207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694207 is an equidigital number, since it uses as much as digits as its factorization.

12694207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12694207 is about 3562.8930660350. The cubic root of 12694207 is about 233.2751757550.

It can be divided in two parts, 1269 and 4207, that added together give a square (5476 = 74²).

The spelling of 12694207 in words is "twelve million, six hundred ninety-four thousand, two hundred seven".