12890626 has 64 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 4889808.

The previous prime is 12890617. The next prime is 12890629. The reversal of 12890626 is 62609821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12890591 and 12890600.

It is not an unprimeable number, because it can be changed into a prime (12890629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299761 + ... + 299803.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

Almost surely, 2^12890626 is an apocalyptic number.

12890626 is a deficient number, since it is larger than the sum of its proper divisors (12453374).

12890626 is a wasteful number, since it uses less digits than its factorization.

12890626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 12890626 is about 3590.3517933484. The cubic root of 12890626 is about 234.4721879840.

The spelling of 12890626 in words is "twelve million, eight hundred ninety thousand, six hundred twenty-six".