12702730 has 16 divisors (see below), whose sum is σ = 23179464. Its totient is φ = 5011200.

The previous prime is 12702721. The next prime is 12702763. The reversal of 12702730 is 3720721.

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 1792921 = 3303^2 + 1339^2 .

It is a super-2 number, since 2×12702730² = 322718698905800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971 + ... + 9430.

Almost surely, 2^12702730 is an apocalyptic number.

12702730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12702730 is a deficient number, since it is larger than the sum of its proper divisors (10476734).

12702730 is a wasteful number, since it uses less digits than its factorization.

12702730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17481.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 12702730 is about 3564.0889438958. The cubic root of 12702730 is about 233.3273717298.

Subtracting from 12702730 its reverse (3720721), we obtain a square (8982009 = 2997²).

The spelling of 12702730 in words is "twelve million, seven hundred two thousand, seven hundred thirty".