13440476 has 12 divisors (see below), whose sum is σ = 26881008. Its totient is φ = 5760192.

The previous prime is 13440473. The next prime is 13440529. The reversal of 13440476 is 67404431.

13440476 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239981 + ... + 240036.

It is an arithmetic number, because the mean of its divisors is an integer number (2240084).

Almost surely, 2^13440476 is an apocalyptic number.

It is an amenable number.

13440476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13440476 is a wasteful number, since it uses less digits than its factorization.

13440476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480028 (or 480026 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 13440476 is about 3666.1254752122. The cubic root of 13440476 is about 237.7596849294.

The spelling of 13440476 in words is "thirteen million, four hundred forty thousand, four hundred seventy-six".