13405274 has 8 divisors (see below), whose sum is σ = 20982240. Its totient is φ = 6411196.

The previous prime is 13405267. The next prime is 13405289. The reversal of 13405274 is 47250431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145664 + ... + 145755.

It is an arithmetic number, because the mean of its divisors is an integer number (2622780).

Almost surely, 2^13405274 is an apocalyptic number.

13405274 is a deficient number, since it is larger than the sum of its proper divisors (7576966).

13405274 is a wasteful number, since it uses less digits than its factorization.

13405274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291444.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13405274 is about 3661.3213461809. The cubic root of 13405274 is about 237.5519310264.

The spelling of 13405274 in words is "thirteen million, four hundred five thousand, two hundred seventy-four".