12051475 has 12 divisors (see below), whose sum is σ = 15025824. Its totient is φ = 9588320.

The previous prime is 12051463. The next prime is 12051493. The reversal of 12051475 is 57415021.

It is not a de Polignac number, because 12051475 - 2²¹ = 9954323 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3702 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (1252152).

Almost surely, 2^12051475 is an apocalyptic number.

12051475 is a deficient number, since it is larger than the sum of its proper divisors (2974349).

12051475 is a wasteful number, since it uses less digits than its factorization.

12051475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12051475 is about 3471.5234407966. The cubic root of 12051475 is about 229.2697380244.

Adding to 12051475 its reverse (57415021), we get a palindrome (69466496).

The spelling of 12051475 in words is "twelve million, fifty-one thousand, four hundred seventy-five".