13494977 has 2 divisors, whose sum is σ = 13494978. Its totient is φ = 13494976.

The previous prime is 13494967. The next prime is 13494979. The reversal of 13494977 is 77949431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 179776 = 3649^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 13494977 - 2⁴ = 13494961 is a prime.

It is a super-2 number, since 2×13494977² = 364228808461058, which contains 22 as substring.

Together with 13494979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13494979) 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 as a sum of consecutive naturals, namely, 6747488 + 6747489.

It is an arithmetic number, because the mean of its divisors is an integer number (6747489).

Almost surely, 2^13494977 is an apocalyptic number.

It is an amenable number.

13494977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13494977 is an equidigital number, since it uses as much as digits as its factorization.

13494977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 13494977 is about 3673.5510068597. The cubic root of 13494977 is about 238.0806225930.

The spelling of 13494977 in words is "thirteen million, four hundred ninety-four thousand, nine hundred seventy-seven".