12690107 has 4 divisors (see below), whose sum is σ = 12806640. Its totient is φ = 12573576.

The previous prime is 12690103. The next prime is 12690113. The reversal of 12690107 is 70109621.

12690107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12690107 - 2² = 12690103 is a prime.

It is a super-2 number, since 2×12690107² = 322077631342898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12690103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58103 + ... + 58320.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^12690107 is an apocalyptic number.

12690107 is a deficient number, since it is larger than the sum of its proper divisors (116533).

12690107 is a wasteful number, since it uses less digits than its factorization.

12690107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116532.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 12690107 is about 3562.3176444556. The cubic root of 12690107 is about 233.2500584920.

Adding to 12690107 its reverse (70109621), we get a palindrome (82799728).

The spelling of 12690107 in words is "twelve million, six hundred ninety thousand, one hundred seven".