13345477 has 2 divisors, whose sum is σ = 13345478. Its totient is φ = 13345476.

The previous prime is 13345463. The next prime is 13345499. The reversal of 13345477 is 77454331.

13345477 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 30276 = 3649^2 + 174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13345477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13345427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672738 + 6672739.

It is an arithmetic number, because the mean of its divisors is an integer number (6672739).

Almost surely, 2^13345477 is an apocalyptic number.

It is an amenable number.

13345477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13345477 is an equidigital number, since it uses as much as digits as its factorization.

13345477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 13345477 is about 3653.1461782962. The cubic root of 13345477 is about 237.1981879994.

The spelling of 13345477 in words is "thirteen million, three hundred forty-five thousand, four hundred seventy-seven".