12071407 has 2 divisors, whose sum is σ = 12071408. Its totient is φ = 12071406.

The previous prime is 12071401. The next prime is 12071429. The reversal of 12071407 is 70417021.

It is an a-pointer prime, because the next prime (12071429) can be obtained adding 12071407 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12071407 - 2¹¹ = 12069359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035703 + 6035704.

It is an arithmetic number, because the mean of its divisors is an integer number (6035704).

Almost surely, 2^12071407 is an apocalyptic number.

12071407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071407 is an equidigital number, since it uses as much as digits as its factorization.

12071407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12071407 is about 3474.3930405180. The cubic root of 12071407 is about 229.3960652275.

Adding to 12071407 its reverse (70417021), we get a palindrome (82488428).

The spelling of 12071407 in words is "twelve million, seventy-one thousand, four hundred seven".