12025455 has 32 divisors (see below), whose sum is σ = 20998656. Its totient is φ = 5841024.

The previous prime is 12025451. The next prime is 12025457. The reversal of 12025455 is 55452021.

It is a happy number.

It is not a de Polignac number, because 12025455 - 2² = 12025451 is a prime.

It is a super-2 number, since 2×12025455² = 289223135914050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15814 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (656208).

Almost surely, 2^12025455 is an apocalyptic number.

12025455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12025455 is a deficient number, since it is larger than the sum of its proper divisors (8973201).

12025455 is a wasteful number, since it uses less digits than its factorization.

12025455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12025455 is about 3467.7737815492. The cubic root of 12025455 is about 229.1046158540.

Adding to 12025455 its reverse (55452021), we get a palindrome (67477476).

The spelling of 12025455 in words is "twelve million, twenty-five thousand, four hundred fifty-five".