13012919 has 4 divisors (see below), whose sum is σ = 13027344. Its totient is φ = 12998496.

The previous prime is 13012913. The next prime is 13012921. The reversal of 13012919 is 91921031.

13012919 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-13012919 is a prime.

It is a super-2 number, since 2×13012919² = 338672121801122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012913) 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, 5762 + ... + 7695.

It is an arithmetic number, because the mean of its divisors is an integer number (3256836).

Almost surely, 2^13012919 is an apocalyptic number.

13012919 is a deficient number, since it is larger than the sum of its proper divisors (14425).

13012919 is an equidigital number, since it uses as much as digits as its factorization.

13012919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14424.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 13012919 is about 3607.3423735487. The cubic root of 13012919 is about 235.2113324537.

It can be divided in two parts, 13012 and 919, that added together give a palindrome (13931).

The spelling of 13012919 in words is "thirteen million, twelve thousand, nine hundred nineteen".