14428511 has 2 divisors, whose sum is σ = 14428512. Its totient is φ = 14428510.

The previous prime is 14428493. The next prime is 14428537. The reversal of 14428511 is 11582441.

It is an a-pointer prime, because the next prime (14428537) can be obtained adding 14428511 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14428511 - 2²² = 10234207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14428111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214255 + 7214256.

It is an arithmetic number, because the mean of its divisors is an integer number (7214256).

Almost surely, 2^14428511 is an apocalyptic number.

14428511 is a deficient number, since it is larger than the sum of its proper divisors (1).

14428511 is an equidigital number, since it uses as much as digits as its factorization.

14428511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 26.

The square root of 14428511 is about 3798.4879886608. The cubic root of 14428511 is about 243.4485384715.

The spelling of 14428511 in words is "fourteen million, four hundred twenty-eight thousand, five hundred eleven".