13720476 has 96 divisors (see below), whose sum is σ = 41287680. Its totient is φ = 3441600.

The previous prime is 13720463. The next prime is 13720477. The reversal of 13720476 is 67402731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720477) 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 31 ways as a sum of consecutive naturals, for example, 28405 + ... + 28883.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

Almost surely, 2^13720476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13720476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20643840).

13720476 is an abundant number, since it is smaller than the sum of its proper divisors (27567204).

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

13720476 is a wasteful number, since it uses less digits than its factorization.

13720476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 13720476 is about 3704.1160888935. The cubic root of 13720476 is about 239.3994010352.

It can be divided in two parts, 13720 and 476, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 13720476 in words is "thirteen million, seven hundred twenty thousand, four hundred seventy-six".