12000402 has 24 divisors (see below), whose sum is σ = 27531036. Its totient is φ = 3764736.

The previous prime is 12000383. The next prime is 12000407. The reversal of 12000402 is 20400021.

12000402 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 can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 35721 = 3459^2 + 189^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12000407) 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, 19303 + ... + 19914.

Almost surely, 2^12000402 is an apocalyptic number.

12000402 is an abundant number, since it is smaller than the sum of its proper divisors (15530634).

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

12000402 is a wasteful number, since it uses less digits than its factorization.

12000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39242 (or 39239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 12000402 is about 3464.1596383539. The cubic root of 12000402 is about 228.9454050106.

Adding to 12000402 its reverse (20400021), we get a palindrome (32400423).

The spelling of 12000402 in words is "twelve million, four hundred two", and thus it is an aban number.