13125015 has 24 divisors (see below), whose sum is σ = 22857120. Its totient is φ = 6967104.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125015 is 51052131.

It is not a de Polignac number, because 13125015 - 2⁷ = 13124887 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 11281 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^13125015 is an apocalyptic number.

13125015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13125015 is a deficient number, since it is larger than the sum of its proper divisors (9732105).

13125015 is a wasteful number, since it uses less digits than its factorization.

13125015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 13125015 is about 3622.8462567434. The cubic root of 13125015 is about 235.8847888766.

Adding to 13125015 its reverse (51052131), we get a palindrome (64177146).

The spelling of 13125015 in words is "thirteen million, one hundred twenty-five thousand, fifteen".