12064639 has 8 divisors (see below), whose sum is σ = 12995840. Its totient is φ = 11163096.

The previous prime is 12064621. The next prime is 12064651. The reversal of 12064639 is 93646021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12064639 - 2⁵ = 12064607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12064639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12064669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6567 + ... + 8200.

It is an arithmetic number, because the mean of its divisors is an integer number (1624480).

Almost surely, 2^12064639 is an apocalyptic number.

12064639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12064639 is a deficient number, since it is larger than the sum of its proper divisors (931201).

12064639 is a wasteful number, since it uses less digits than its factorization.

12064639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 12064639 is about 3473.4189208905. The cubic root of 12064639 is about 229.3531858621.

The spelling of 12064639 in words is "twelve million, sixty-four thousand, six hundred thirty-nine".