12511375 has 16 divisors (see below), whose sum is σ = 15784704. Its totient is φ = 9900000.

The previous prime is 12511361. The next prime is 12511399. The reversal of 12511375 is 57311521.

It is not a de Polignac number, because 12511375 - 2¹¹ = 12509327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12130 + ... + 13120.

It is an arithmetic number, because the mean of its divisors is an integer number (986544).

Almost surely, 2^12511375 is an apocalyptic number.

12511375 is a deficient number, since it is larger than the sum of its proper divisors (3273329).

12511375 is an equidigital number, since it uses as much as digits as its factorization.

12511375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1097 counting only the distinct ones).

The product of its digits is 1050, while the sum is 25.

The square root of 12511375 is about 3537.1422080544. The cubic root of 12511375 is about 232.1498177682.

Adding to 12511375 its reverse (57311521), we get a palindrome (69822896).

The spelling of 12511375 in words is "twelve million, five hundred eleven thousand, three hundred seventy-five".