13628471 has 2 divisors, whose sum is σ = 13628472. Its totient is φ = 13628470.

The previous prime is 13628467. The next prime is 13628507. The reversal of 13628471 is 17482631.

It is a weak prime.

It is an emirp because it is prime and its reverse (17482631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13628471 - 2² = 13628467 is a prime.

It is a super-3 number, since 3×13628471³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13628411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814235 + 6814236.

It is an arithmetic number, because the mean of its divisors is an integer number (6814236).

Almost surely, 2^13628471 is an apocalyptic number.

13628471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13628471 is an equidigital number, since it uses as much as digits as its factorization.

13628471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 13628471 is about 3691.6759066852. The cubic root of 13628471 is about 238.8630892475.

The spelling of 13628471 in words is "thirteen million, six hundred twenty-eight thousand, four hundred seventy-one".