13700591 has 2 divisors, whose sum is σ = 13700592. Its totient is φ = 13700590.

The previous prime is 13700587. The next prime is 13700611. The reversal of 13700591 is 19500731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13700591 - 2² = 13700587 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13700591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13700551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850295 + 6850296.

It is an arithmetic number, because the mean of its divisors is an integer number (6850296).

Almost surely, 2^13700591 is an apocalyptic number.

13700591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700591 is an equidigital number, since it uses as much as digits as its factorization.

13700591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 13700591 is about 3701.4309395151. The cubic root of 13700591 is about 239.2836917671.

The spelling of 13700591 in words is "thirteen million, seven hundred thousand, five hundred ninety-one".