12551707 has 4 divisors (see below), whose sum is σ = 14344816. Its totient is φ = 10758600.

The previous prime is 12551689. The next prime is 12551711. The reversal of 12551707 is 70715521.

12551707 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 70715521 = 43 ⋅1644547.

It is a cyclic number.

It is not a de Polignac number, because 12551707 - 2¹⁵ = 12518939 is a prime.

It is a super-2 number, since 2×12551707² = 315090697227698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12551107) 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, 896544 + ... + 896557.

It is an arithmetic number, because the mean of its divisors is an integer number (3586204).

Almost surely, 2^12551707 is an apocalyptic number.

12551707 is a deficient number, since it is larger than the sum of its proper divisors (1793109).

12551707 is an equidigital number, since it uses as much as digits as its factorization.

12551707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793108.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 12551707 is about 3542.8388334780. The cubic root of 12551707 is about 232.3990049657.

The spelling of 12551707 in words is "twelve million, five hundred fifty-one thousand, seven hundred seven".