13928611 has 2 divisors, whose sum is σ = 13928612. Its totient is φ = 13928610.

The previous prime is 13928597. The next prime is 13928623. The reversal of 13928611 is 11682931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13928611 - 2¹³ = 13920419 is a prime.

It is not a weakly prime, because it can be changed into another prime (13928111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6964305 + 6964306.

It is an arithmetic number, because the mean of its divisors is an integer number (6964306).

Almost surely, 2^13928611 is an apocalyptic number.

13928611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13928611 is an equidigital number, since it uses as much as digits as its factorization.

13928611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 13928611 is about 3732.1054379532. The cubic root of 13928611 is about 240.6038670595.

The spelling of 13928611 in words is "thirteen million, nine hundred twenty-eight thousand, six hundred eleven".