13809627 has 48 divisors (see below), whose sum is σ = 23351328. Its totient is φ = 7787520.

The previous prime is 13809613. The next prime is 13809641. The reversal of 13809627 is 72690831.

It is an interprime number because it is at equal distance from previous prime (13809613) and next prime (13809641).

It is not a de Polignac number, because 13809627 - 2⁴ = 13809611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13809591 and 13809600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13809647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105352 + ... + 105482.

It is an arithmetic number, because the mean of its divisors is an integer number (486486).

Almost surely, 2^13809627 is an apocalyptic number.

13809627 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13809627 is a deficient number, since it is larger than the sum of its proper divisors (9541701).

13809627 is a wasteful number, since it uses less digits than its factorization.

13809627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13809627 is about 3716.1306489412. The cubic root of 13809627 is about 239.9167940732.

The spelling of 13809627 in words is "thirteen million, eight hundred nine thousand, six hundred twenty-seven".