12028732 has 6 divisors (see below), whose sum is σ = 21050288. Its totient is φ = 6014364.

The previous prime is 12028699. The next prime is 12028739. The reversal of 12028732 is 23782021.

It is a junction number, because it is equal to n+sod(n) for n = 12028697 and 12028706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503588 + ... + 1503595.

Almost surely, 2^12028732 is an apocalyptic number.

It is an amenable number.

12028732 is a deficient number, since it is larger than the sum of its proper divisors (9021556).

12028732 is a wasteful number, since it uses less digits than its factorization.

12028732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007187 (or 3007185 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12028732 is about 3468.2462426996. The cubic root of 12028732 is about 229.1254247032.

The spelling of 12028732 in words is "twelve million, twenty-eight thousand, seven hundred thirty-two".