12523019 has 8 divisors (see below), whose sum is σ = 12893760. Its totient is φ = 12155976.

The previous prime is 12522973. The next prime is 12523073. The reversal of 12523019 is 91032521.

12523019 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 12523019 - 2²⁰ = 11474443 is a prime.

It is a super-2 number, since 2×12523019² = 313652009748722, 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 = 12522985 and 12523003.

It is not an unprimeable number, because it can be changed into a prime (12523219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6884 + ... + 8510.

It is an arithmetic number, because the mean of its divisors is an integer number (1611720).

Almost surely, 2^12523019 is an apocalyptic number.

12523019 is a deficient number, since it is larger than the sum of its proper divisors (370741).

12523019 is a wasteful number, since it uses less digits than its factorization.

12523019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12523019 is about 3538.7877867993. The cubic root of 12523019 is about 232.2218139670.

The spelling of 12523019 in words is "twelve million, five hundred twenty-three thousand, nineteen".