10013128 has 8 divisors (see below), whose sum is σ = 18774630. Its totient is φ = 5006560.

The previous prime is 10013111. The next prime is 10013137. The reversal of 10013128 is 82131001.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 14884 = 3162^2 + 122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625813 + ... + 625828.

Almost surely, 2^10013128 is an apocalyptic number.

It is an amenable number.

10013128 is a deficient number, since it is larger than the sum of its proper divisors (8761502).

10013128 is a wasteful number, since it uses less digits than its factorization.

10013128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251647 (or 1251643 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10013128 is about 3164.3526984203. The cubic root of 10013128 is about 215.5377058392.

Adding to 10013128 its reverse (82131001), we get a palindrome (92144129).

The spelling of 10013128 in words is "ten million, thirteen thousand, one hundred twenty-eight".