12901877 has 4 divisors (see below), whose sum is σ = 12909120. Its totient is φ = 12894636.

The previous prime is 12901871. The next prime is 12901879. The reversal of 12901877 is 77810921.

12901877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12901877 - 2⁶ = 12901813 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 (12901871) 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, 1124 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (3227280).

Almost surely, 2^12901877 is an apocalyptic number.

It is an amenable number.

12901877 is a deficient number, since it is larger than the sum of its proper divisors (7243).

12901877 is an equidigital number, since it uses as much as digits as its factorization.

12901877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12901877 is about 3591.9182897165. The cubic root of 12901877 is about 234.5403842960.

It can be divided in two parts, 1290187 and 7, that multiplied together give a palindrome (9031309).

The spelling of 12901877 in words is "twelve million, nine hundred one thousand, eight hundred seventy-seven".