12919201 has 4 divisors (see below), whose sum is σ = 13679172. Its totient is φ = 12159232.

The previous prime is 12919189. The next prime is 12919211. The reversal of 12919201 is 10291921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10291921 = 43 ⋅239347.

It can be written as a sum of positive squares in 2 ways, for example, as 5499025 + 7420176 = 2345^2 + 2724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12919201 - 2¹³ = 12911009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12919211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379960 + ... + 379993.

It is an arithmetic number, because the mean of its divisors is an integer number (3419793).

Almost surely, 2^12919201 is an apocalyptic number.

It is an amenable number.

12919201 is a deficient number, since it is larger than the sum of its proper divisors (759971).

12919201 is an equidigital number, since it uses as much as digits as its factorization.

12919201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759970.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 12919201 is about 3594.3290055308. The cubic root of 12919201 is about 234.6453137406.

It can be divided in two parts, 1291920 and 1, that added together give a palindrome (1291921).

The spelling of 12919201 in words is "twelve million, nine hundred nineteen thousand, two hundred one".