13247470 has 16 divisors (see below), whose sum is σ = 23922288. Its totient is φ = 5281920.

The previous prime is 13247453. The next prime is 13247473. The reversal of 13247470 is 7474231.

It is a super-2 number, since 2×13247470² = 350990922801800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247473) 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 7 ways as a sum of consecutive naturals, for example, 1405 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (1495143).

Almost surely, 2^13247470 is an apocalyptic number.

13247470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13247470 is a deficient number, since it is larger than the sum of its proper divisors (10674818).

13247470 is a wasteful number, since it uses less digits than its factorization.

13247470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 13247470 is about 3639.7074058226. The cubic root of 13247470 is about 236.6161125461.

The spelling of 13247470 in words is "thirteen million, two hundred forty-seven thousand, four hundred seventy".