13274839 has 2 divisors, whose sum is σ = 13274840. Its totient is φ = 13274838.

The previous prime is 13274827. The next prime is 13274843. The reversal of 13274839 is 93847231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13274839 - 2¹⁵ = 13242071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13274798 and 13274807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13274869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637419 + 6637420.

It is an arithmetic number, because the mean of its divisors is an integer number (6637420).

Almost surely, 2^13274839 is an apocalyptic number.

13274839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274839 is an equidigital number, since it uses as much as digits as its factorization.

13274839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 13274839 is about 3643.4652461633. The cubic root of 13274839 is about 236.7789484630.

The spelling of 13274839 in words is "thirteen million, two hundred seventy-four thousand, eight hundred thirty-nine".