12039622 has 8 divisors (see below), whose sum is σ = 20639376. Its totient is φ = 5159832.

The previous prime is 12039617. The next prime is 12039623. The reversal of 12039622 is 22693021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12039623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429973 + ... + 430000.

It is an arithmetic number, because the mean of its divisors is an integer number (2579922).

Almost surely, 2^12039622 is an apocalyptic number.

12039622 is a deficient number, since it is larger than the sum of its proper divisors (8599754).

12039622 is an equidigital number, since it uses as much as digits as its factorization.

12039622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859982.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12039622 is about 3469.8158452575. The cubic root of 12039622 is about 229.1945487324.

It can be divided in two parts, 1203 and 9622, that multiplied together give a triangular number (11575266 = T₄₈₁₁).

The spelling of 12039622 in words is "twelve million, thirty-nine thousand, six hundred twenty-two".