13004479 has 2 divisors, whose sum is σ = 13004480. Its totient is φ = 13004478.

The previous prime is 13004461. The next prime is 13004483. The reversal of 13004479 is 97440031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13004479 - 2⁷ = 13004351 is a prime.

It is a super-2 number, since 2×13004479² = 338232948122882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13004449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502239 + 6502240.

It is an arithmetic number, because the mean of its divisors is an integer number (6502240).

Almost surely, 2^13004479 is an apocalyptic number.

13004479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004479 is an equidigital number, since it uses as much as digits as its factorization.

13004479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13004479 is about 3606.1723475175. The cubic root of 13004479 is about 235.1604698459.

The spelling of 13004479 in words is "thirteen million, four thousand, four hundred seventy-nine".