13229479 has 2 divisors, whose sum is σ = 13229480. Its totient is φ = 13229478.

The previous prime is 13229477. The next prime is 13229521. The reversal of 13229479 is 97492231.

It is a weak prime.

It is an emirp because it is prime and its reverse (97492231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13229479 - 2¹ = 13229477 is a prime.

It is a super-2 number, since 2×13229479² = 350038229222882, which contains 22 as substring.

Together with 13229477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13229477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614739 + 6614740.

It is an arithmetic number, because the mean of its divisors is an integer number (6614740).

Almost surely, 2^13229479 is an apocalyptic number.

13229479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13229479 is an equidigital number, since it uses as much as digits as its factorization.

13229479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 13229479 is about 3637.2350762633. The cubic root of 13229479 is about 236.5089502220.

It can be divided in two parts, 1322 and 9479, that added together give a palindrome (10801).

The spelling of 13229479 in words is "thirteen million, two hundred twenty-nine thousand, four hundred seventy-nine".