13480736 has 12 divisors (see below), whose sum is σ = 26540262. Its totient is φ = 6740352.

The previous prime is 13480729. The next prime is 13480757. The reversal of 13480736 is 63708431.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 5973136 = 2740^2 + 2444^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 421273 = 13480736 / (1 + 3 + 4 + 8 + 0 + 7 + 3 + 6).

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 as a sum of consecutive naturals, namely, 210605 + ... + 210668.

Almost surely, 2^13480736 is an apocalyptic number.

13480736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13480736 is a deficient number, since it is larger than the sum of its proper divisors (13059526).

13480736 is an equidigital number, since it uses as much as digits as its factorization.

13480736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421283 (or 421275 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13480736 is about 3671.6121799558. The cubic root of 13480736 is about 237.9968457553.

The spelling of 13480736 in words is "thirteen million, four hundred eighty thousand, seven hundred thirty-six".