12377321 has 8 divisors (see below), whose sum is σ = 13535424. Its totient is φ = 11224720.

The previous prime is 12377317. The next prime is 12377329.

12377321 is nontrivially palindromic in base 10.

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 12377321 - 2² = 12377317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12377329) 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, 4415 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (1691928).

Almost surely, 2^12377321 is an apocalyptic number.

12377321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12377321 is a deficient number, since it is larger than the sum of its proper divisors (1158103).

12377321 is a wasteful number, since it uses less digits than its factorization.

12377321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 1764, while the sum is 26.

The square root of 12377321 is about 3518.1416969758. The cubic root of 12377321 is about 231.3177102917.

It can be divided in two parts, 1237 and 7321, that added together give a palindrome (8558).

The spelling of 12377321 in words is "twelve million, three hundred seventy-seven thousand, three hundred twenty-one".