12153719 has 2 divisors, whose sum is σ = 12153720. Its totient is φ = 12153718.

The previous prime is 12153703. The next prime is 12153721. The reversal of 12153719 is 91735121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12153719 - 2⁴ = 12153703 is a prime.

It is a super-2 number, since 2×12153719² = 295425771061922, which contains 22 as substring.

Together with 12153721, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12153691 and 12153700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12153019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076859 + 6076860.

It is an arithmetic number, because the mean of its divisors is an integer number (6076860).

Almost surely, 2^12153719 is an apocalyptic number.

12153719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12153719 is an equidigital number, since it uses as much as digits as its factorization.

12153719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

The square root of 12153719 is about 3486.2184383656. The cubic root of 12153719 is about 229.9162833317.

The spelling of 12153719 in words is "twelve million, one hundred fifty-three thousand, seven hundred nineteen".