12060639 has 6 divisors (see below), whose sum is σ = 17420936. Its totient is φ = 8040420.

The previous prime is 12060619. The next prime is 12060641. The reversal of 12060639 is 93606021.

It is a happy number.

12060639 is a `hidden beast` number, since 1 + 20 + 6 + 0 + 639 = 666.

It is not a de Polignac number, because 12060639 - 2¹¹ = 12058591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12060619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 670027 + ... + 670044.

Almost surely, 2^12060639 is an apocalyptic number.

12060639 is a deficient number, since it is larger than the sum of its proper divisors (5360297).

12060639 is a wasteful number, since it uses less digits than its factorization.

12060639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340077 (or 1340074 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 12060639 is about 3472.8430716057. The cubic root of 12060639 is about 229.3278359076.

The spelling of 12060639 in words is "twelve million, sixty thousand, six hundred thirty-nine".