12621365 has 8 divisors (see below), whose sum is σ = 15804288. Its totient is φ = 9658000.

The previous prime is 12621353. The next prime is 12621373. The reversal of 12621365 is 56312621.

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

It is not a de Polignac number, because 12621365 - 2⁸ = 12621109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54761 + ... + 54990.

It is an arithmetic number, because the mean of its divisors is an integer number (1975536).

Almost surely, 2^12621365 is an apocalyptic number.

It is an amenable number.

12621365 is a deficient number, since it is larger than the sum of its proper divisors (3182923).

12621365 is a wasteful number, since it uses less digits than its factorization.

12621365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109779.

The product of its digits is 2160, while the sum is 26.

The square root of 12621365 is about 3552.6560486487. The cubic root of 12621365 is about 232.8281257473.

Adding to 12621365 its reverse (56312621), we get a palindrome (68933986).

The spelling of 12621365 in words is "twelve million, six hundred twenty-one thousand, three hundred sixty-five".