13477993 has 2 divisors, whose sum is σ = 13477994. Its totient is φ = 13477992.

The previous prime is 13477987. The next prime is 13477999. The reversal of 13477993 is 39977431.

13477993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13477987) and next prime (13477999).

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 2999824 = 3237^2 + 1732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13477993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13477999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6738996 + 6738997.

It is an arithmetic number, because the mean of its divisors is an integer number (6738997).

Almost surely, 2^13477993 is an apocalyptic number.

It is an amenable number.

13477993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13477993 is an equidigital number, since it uses as much as digits as its factorization.

13477993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 13477993 is about 3671.2386193218. The cubic root of 13477993 is about 237.9807024817.

The spelling of 13477993 in words is "thirteen million, four hundred seventy-seven thousand, nine hundred ninety-three".