13474399 has 2 divisors, whose sum is σ = 13474400. Its totient is φ = 13474398.

The previous prime is 13474397. The next prime is 13474411. The reversal of 13474399 is 99347431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13474399 - 2¹ = 13474397 is a prime.

It is a super-2 number, since 2×13474399² = 363118856822402, which contains 22 as substring.

Together with 13474397, 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 (13474397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737199 + 6737200.

It is an arithmetic number, because the mean of its divisors is an integer number (6737200).

Almost surely, 2^13474399 is an apocalyptic number.

13474399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13474399 is an equidigital number, since it uses as much as digits as its factorization.

13474399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 13474399 is about 3670.7491061090. The cubic root of 13474399 is about 237.9595475348.

The spelling of 13474399 in words is "thirteen million, four hundred seventy-four thousand, three hundred ninety-nine".