13451730 has 32 divisors (see below), whose sum is σ = 32400000. Its totient is φ = 3574272.

The previous prime is 13451707. The next prime is 13451741. The reversal of 13451730 is 3715431.

It is a self number, because there is not a number n which added to its sum of digits gives 13451730.

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 in 15 ways as a sum of consecutive naturals, for example, 10146 + ... + 11394.

It is an arithmetic number, because the mean of its divisors is an integer number (1012500).

Almost surely, 2^13451730 is an apocalyptic number.

13451730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13451730 is an abundant number, since it is smaller than the sum of its proper divisors (18948270).

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

13451730 is a wasteful number, since it uses less digits than its factorization.

13451730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13451730 is about 3667.6600169590. The cubic root of 13451730 is about 237.8260268512.

The spelling of 13451730 in words is "thirteen million, four hundred fifty-one thousand, seven hundred thirty".