12501022 has 8 divisors (see below), whose sum is σ = 18806616. Its totient is φ = 6232152.

The previous prime is 12501019. The next prime is 12501043. The reversal of 12501022 is 22010521.

12501022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12500993 and 12501011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8313 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (2350827).

Almost surely, 2^12501022 is an apocalyptic number.

12501022 is a deficient number, since it is larger than the sum of its proper divisors (6305594).

12501022 is a wasteful number, since it uses less digits than its factorization.

12501022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18362.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12501022 is about 3535.6784356047. The cubic root of 12501022 is about 232.0857664467.

Adding to 12501022 its reverse (22010521), we get a palindrome (34511543).

The spelling of 12501022 in words is "twelve million, five hundred one thousand, twenty-two".