12401028 has 36 divisors (see below), whose sum is σ = 32080048. Its totient is φ = 4037040.

The previous prime is 12401027. The next prime is 12401047. The reversal of 12401028 is 82010421.

12401028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12401028.

It is not an unprimeable number, because it can be changed into a prime (12401027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2458 + ... + 5553.

Almost surely, 2^12401028 is an apocalyptic number.

12401028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12401028 is an abundant number, since it is smaller than the sum of its proper divisors (19679020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12401028 is a wasteful number, since it uses less digits than its factorization.

12401028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12401028 is about 3521.5093354981. The cubic root of 12401028 is about 231.4653015058.

Adding to 12401028 its reverse (82010421), we get a palindrome (94411449).

The spelling of 12401028 in words is "twelve million, four hundred one thousand, twenty-eight".