12900719 has 4 divisors (see below), whose sum is σ = 13893096. Its totient is φ = 11908344.

The previous prime is 12900683. The next prime is 12900733. The reversal of 12900719 is 91700921.

12900719 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12900719 is a prime.

It is a super-2 number, since 2×12900719² = 332857101433922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12900691 and 12900700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12960719) 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, 496169 + ... + 496194.

It is an arithmetic number, because the mean of its divisors is an integer number (3473274).

Almost surely, 2^12900719 is an apocalyptic number.

12900719 is a deficient number, since it is larger than the sum of its proper divisors (992377).

12900719 is an equidigital number, since it uses as much as digits as its factorization.

12900719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992376.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 12900719 is about 3591.7570908958. The cubic root of 12900719 is about 234.5333670770.

The spelling of 12900719 in words is "twelve million, nine hundred thousand, seven hundred nineteen".