12819901 has 8 divisors (see below), whose sum is σ = 13423680. Its totient is φ = 12220032.

The previous prime is 12819899. The next prime is 12819907. The reversal of 12819901 is 10991821.

12819901 = T₇₃ + T₇₄ + ... + T₄₂₅.

12819901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12819901 - 2¹ = 12819899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12819907) 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, 7330 + ... + 8908.

It is an arithmetic number, because the mean of its divisors is an integer number (1677960).

Almost surely, 2^12819901 is an apocalyptic number.

12819901 is the 2265-th centered pentagonal number.

It is an amenable number.

12819901 is a deficient number, since it is larger than the sum of its proper divisors (603779).

12819901 is a wasteful number, since it uses less digits than its factorization.

12819901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 12819901 is about 3580.4889330928. The cubic root of 12819901 is about 234.0425872764.

The spelling of 12819901 in words is "twelve million, eight hundred nineteen thousand, nine hundred one".