13470440 has 16 divisors (see below), whose sum is σ = 30308580. Its totient is φ = 5388160.

The previous prime is 13470439. The next prime is 13470463. The reversal of 13470440 is 4407431.

13470440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 1094116 = 3518^2 + 1046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168341 + ... + 168420.

Almost surely, 2^13470440 is an apocalyptic number.

13470440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13470440 is an abundant number, since it is smaller than the sum of its proper divisors (16838140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13470440 is a wasteful number, since it uses less digits than its factorization.

13470440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336772 (or 336768 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13470440 is about 3670.2098032674. The cubic root of 13470440 is about 237.9362397758.

Adding to 13470440 its reverse (4407431), we get a palindrome (17877871).

The spelling of 13470440 in words is "thirteen million, four hundred seventy thousand, four hundred forty".