13903727 has 2 divisors, whose sum is σ = 13903728. Its totient is φ = 13903726.

The previous prime is 13903709. The next prime is 13903733. The reversal of 13903727 is 72730931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13903727 - 2⁸ = 13903471 is a prime.

It is a super-3 number, since 3×13903727³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13903693 and 13903702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13903777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951863 + 6951864.

It is an arithmetic number, because the mean of its divisors is an integer number (6951864).

Almost surely, 2^13903727 is an apocalyptic number.

13903727 is a deficient number, since it is larger than the sum of its proper divisors (1).

13903727 is an equidigital number, since it uses as much as digits as its factorization.

13903727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13903727 is about 3728.7701725904. The cubic root of 13903727 is about 240.4604989564.

The spelling of 13903727 in words is "thirteen million, nine hundred three thousand, seven hundred twenty-seven".