12620371 has 8 divisors (see below), whose sum is σ = 13021184. Its totient is φ = 12224520.

The previous prime is 12620359. The next prime is 12620383. The reversal of 12620371 is 17302621.

12620371 = 84² + 85² + ... + 337².

It is an interprime number because it is at equal distance from previous prime (12620359) and next prime (12620383).

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 12620371 - 2⁵ = 12620339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12624371) 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, 4306 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (1627648).

Almost surely, 2^12620371 is an apocalyptic number.

12620371 is a deficient number, since it is larger than the sum of its proper divisors (400813).

12620371 is a wasteful number, since it uses less digits than its factorization.

12620371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12620371 is about 3552.5161505615. The cubic root of 12620371 is about 232.8220134334.

Adding to 12620371 its reverse (17302621), we get a palindrome (29922992).

The spelling of 12620371 in words is "twelve million, six hundred twenty thousand, three hundred seventy-one".