1339471 has 4 divisors (see below), whose sum is σ = 1530832. Its totient is φ = 1148112.

The previous prime is 1339463. The next prime is 1339487. The reversal of 1339471 is 1749331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1749331 = 229 ⋅7639.

It is not a de Polignac number, because 1339471 - 2³ = 1339463 is a prime.

It is a super-3 number, since 3×1339471³ = 7209766522838352333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339411) 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, 95670 + ... + 95683.

It is an arithmetic number, because the mean of its divisors is an integer number (382708).

2^1339471 is an apocalyptic number.

1339471 is a deficient number, since it is larger than the sum of its proper divisors (191361).

1339471 is an equidigital number, since it uses as much as digits as its factorization.

1339471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191360.

The product of its digits is 2268, while the sum is 28.

The square root of 1339471 is about 1157.3551745251. The cubic root of 1339471 is about 110.2328675582.

It can be divided in two parts, 133 and 9471, that added together give a square (9604 = 98²).

The spelling of 1339471 in words is "one million, three hundred thirty-nine thousand, four hundred seventy-one".