15126730 has 16 divisors (see below), whose sum is σ = 27742824. Its totient is φ = 5936320.

The previous prime is 15126721. The next prime is 15126731. The reversal of 15126730 is 3762151.

15126730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11854249 + 3272481 = 3443^2 + 1809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15126695 and 15126704.

It is not an unprimeable number, because it can be changed into a prime (15126731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13741 + ... + 14800.

Almost surely, 2^15126730 is an apocalyptic number.

15126730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15126730 is a deficient number, since it is larger than the sum of its proper divisors (12616094).

15126730 is a wasteful number, since it uses less digits than its factorization.

15126730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28601.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 15126730 is about 3889.3097073902. The cubic root of 15126730 is about 247.3138007080.

Adding to 15126730 its reverse (3762151), we get a palindrome (18888881).

The spelling of 15126730 in words is "fifteen million, one hundred twenty-six thousand, seven hundred thirty".