12045756 has 24 divisors (see below), whose sum is σ = 28299600. Its totient is φ = 3987712.

The previous prime is 12045749. The next prime is 12045769. The reversal of 12045756 is 65754021.

It is a super-2 number, since 2×12045756² = 290200475223072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (1179150).

Almost surely, 2^12045756 is an apocalyptic number.

It is an amenable number.

12045756 is an abundant number, since it is smaller than the sum of its proper divisors (16253844).

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

12045756 is a wasteful number, since it uses less digits than its factorization.

12045756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 12045756 is about 3470.6996412827. The cubic root of 12045756 is about 229.2334658089.

Adding to 12045756 its reverse (65754021), we get a palindrome (77799777).

The spelling of 12045756 in words is "twelve million, forty-five thousand, seven hundred fifty-six".