13564730 has 8 divisors (see below), whose sum is σ = 24416532. Its totient is φ = 5425888.

The previous prime is 13564729. The next prime is 13564807. The reversal of 13564730 is 3746531.

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 597529 = 3601^2 + 773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13564693 and 13564702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678227 + ... + 678246.

Almost surely, 2^13564730 is an apocalyptic number.

13564730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13564730 is a deficient number, since it is larger than the sum of its proper divisors (10851802).

13564730 is a wasteful number, since it uses less digits than its factorization.

13564730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356480.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 13564730 is about 3683.0327177477. The cubic root of 13564730 is about 238.4901158686.

The spelling of 13564730 in words is "thirteen million, five hundred sixty-four thousand, seven hundred thirty".