12736019 has 2 divisors, whose sum is σ = 12736020. Its totient is φ = 12736018.

The previous prime is 12735979. The next prime is 12736027. The reversal of 12736019 is 91063721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12736019 - 2¹² = 12731923 is a prime.

It is a super-2 number, since 2×12736019² = 324412359936722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12735982 and 12736000.

It is not a weakly prime, because it can be changed into another prime (12736039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368009 + 6368010.

It is an arithmetic number, because the mean of its divisors is an integer number (6368010).

Almost surely, 2^12736019 is an apocalyptic number.

12736019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12736019 is an equidigital number, since it uses as much as digits as its factorization.

12736019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12736019 is about 3568.7559457043. The cubic root of 12736019 is about 233.5310145623.

The spelling of 12736019 in words is "twelve million, seven hundred thirty-six thousand, nineteen".