13475399 has 4 divisors (see below), whose sum is σ = 15400464. Its totient is φ = 11550336.

The previous prime is 13475369. The next prime is 13475419. The reversal of 13475399 is 99357431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99357431 = 79 ⋅1257689.

It is not a de Polignac number, because 13475399 - 2¹² = 13471303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962522 + ... + 962535.

It is an arithmetic number, because the mean of its divisors is an integer number (3850116).

Almost surely, 2^13475399 is an apocalyptic number.

13475399 is a deficient number, since it is larger than the sum of its proper divisors (1925065).

13475399 is an equidigital number, since it uses as much as digits as its factorization.

13475399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925064.

The product of its digits is 102060, while the sum is 41.

The square root of 13475399 is about 3670.8853155608. The cubic root of 13475399 is about 237.9654340969.

The spelling of 13475399 in words is "thirteen million, four hundred seventy-five thousand, three hundred ninety-nine".