13775407 has 2 divisors, whose sum is σ = 13775408. Its totient is φ = 13775406.

The previous prime is 13775393. The next prime is 13775441. The reversal of 13775407 is 70457731.

13775407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13775441) can be obtained adding 13775407 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13775407 - 2¹¹ = 13773359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13775477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6887703 + 6887704.

It is an arithmetic number, because the mean of its divisors is an integer number (6887704).

Almost surely, 2^13775407 is an apocalyptic number.

13775407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13775407 is an equidigital number, since it uses as much as digits as its factorization.

13775407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 13775407 is about 3711.5235416201. The cubic root of 13775407 is about 239.7184603694.

The spelling of 13775407 in words is "thirteen million, seven hundred seventy-five thousand, four hundred seven".