13570747 has 2 divisors, whose sum is σ = 13570748. Its totient is φ = 13570746.

The previous prime is 13570729. The next prime is 13570751. The reversal of 13570747 is 74707531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13570747 - 2²³ = 5182139 is a prime.

It is not a weakly prime, because it can be changed into another prime (13570717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6785373 + 6785374.

It is an arithmetic number, because the mean of its divisors is an integer number (6785374).

Almost surely, 2^13570747 is an apocalyptic number.

13570747 is a deficient number, since it is larger than the sum of its proper divisors (1).

13570747 is an equidigital number, since it uses as much as digits as its factorization.

13570747 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 13570747 is about 3683.8494811813. The cubic root of 13570747 is about 238.5253735529.

The spelling of 13570747 in words is "thirteen million, five hundred seventy thousand, seven hundred forty-seven".