13125315 has 16 divisors (see below), whose sum is σ = 24000768. Its totient is φ = 6000096.

The previous prime is 13125311. The next prime is 13125319. The reversal of 13125315 is 51352131.

It is an interprime number because it is at equal distance from previous prime (13125311) and next prime (13125319).

It is not a de Polignac number, because 13125315 - 2² = 13125311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13125291 and 13125300.

It is not an unprimeable number, because it can be changed into a prime (13125311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62397 + ... + 62606.

It is an arithmetic number, because the mean of its divisors is an integer number (1500048).

Almost surely, 2^13125315 is an apocalyptic number.

13125315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13125315 is a deficient number, since it is larger than the sum of its proper divisors (10875453).

13125315 is a wasteful number, since it uses less digits than its factorization.

13125315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125018.

The product of its digits is 450, while the sum is 21.

The square root of 13125315 is about 3622.8876604168. The cubic root of 13125315 is about 235.8865860783.

Adding to 13125315 its reverse (51352131), we get a palindrome (64477446).

The spelling of 13125315 in words is "thirteen million, one hundred twenty-five thousand, three hundred fifteen".