13365730 has 24 divisors (see below), whose sum is σ = 27987228. Its totient is φ = 4582368.

The previous prime is 13365697. The next prime is 13365761. The reversal of 13365730 is 3756331.

It can be written as a sum of positive squares in 2 ways, for example, as 12694969 + 670761 = 3563^2 + 819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13149 + ... + 14128.

Almost surely, 2^13365730 is an apocalyptic number.

13365730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13365730 is an abundant number, since it is smaller than the sum of its proper divisors (14621498).

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

13365730 is a wasteful number, since it uses less digits than its factorization.

13365730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27298 (or 27291 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 13365730 is about 3655.9171215989. The cubic root of 13365730 is about 237.3181174404.

The spelling of 13365730 in words is "thirteen million, three hundred sixty-five thousand, seven hundred thirty".