12379621 has 8 divisors (see below), whose sum is σ = 13798080. Its totient is φ = 11037888.

The previous prime is 12379603. The next prime is 12379639. The reversal of 12379621 is 12697321.

It is an interprime number because it is at equal distance from previous prime (12379603) and next prime (12379639).

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 12379621 - 2⁹ = 12379109 is a prime.

It is a super-2 number, since 2×12379621² = 306510032207282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12370621) 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, 18841 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (1724760).

Almost surely, 2^12379621 is an apocalyptic number.

It is an amenable number.

12379621 is a deficient number, since it is larger than the sum of its proper divisors (1418459).

12379621 is a wasteful number, since it uses less digits than its factorization.

12379621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38363.

The product of its digits is 4536, while the sum is 31.

The square root of 12379621 is about 3518.4685589046. The cubic root of 12379621 is about 231.3320375112.

The spelling of 12379621 in words is "twelve million, three hundred seventy-nine thousand, six hundred twenty-one".