13690511 has 2 divisors, whose sum is σ = 13690512. Its totient is φ = 13690510.

The previous prime is 13690477. The next prime is 13690513. The reversal of 13690511 is 11509631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13690511 is a prime.

It is a super-2 number, since 2×13690511² = 374860182882242, which contains 22 as substring.

Together with 13690513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13690513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845255 + 6845256.

It is an arithmetic number, because the mean of its divisors is an integer number (6845256).

Almost surely, 2^13690511 is an apocalyptic number.

13690511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13690511 is an equidigital number, since it uses as much as digits as its factorization.

13690511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 13690511 is about 3700.0690534097. The cubic root of 13690511 is about 239.2249942656.

The spelling of 13690511 in words is "thirteen million, six hundred ninety thousand, five hundred eleven".