12890007 has 36 divisors (see below), whose sum is σ = 20924904. Its totient is φ = 7600320.

The previous prime is 12889997. The next prime is 12890027. The reversal of 12890007 is 70009821.

It is not a de Polignac number, because 12890007 - 2⁴ = 12889991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98332 + ... + 98462.

Almost surely, 2^12890007 is an apocalyptic number.

12890007 is a deficient number, since it is larger than the sum of its proper divisors (8034897).

12890007 is a wasteful number, since it uses less digits than its factorization.

12890007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 12890007 is about 3590.2655890616. The cubic root of 12890007 is about 234.4684348534.

Adding to 12890007 its reverse (70009821), we get a palindrome (82899828).

The spelling of 12890007 in words is "twelve million, eight hundred ninety thousand, seven".