4012455 has 8 divisors (see below), whose sum is σ = 6419952. Its totient is φ = 2139968.

The previous prime is 4012451. The next prime is 4012457. The reversal of 4012455 is 5542104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012455 - 2² = 4012451 is a prime.

It is an Ulam number.

4012455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133734 + ... + 133763.

It is an arithmetic number, because the mean of its divisors is an integer number (802494).

Almost surely, 2^4012455 is an apocalyptic number.

4012455 is a deficient number, since it is larger than the sum of its proper divisors (2407497).

4012455 is a wasteful number, since it uses less digits than its factorization.

4012455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267505.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4012455 is about 2003.1113299066. Note that the first 3 decimals coincide. The cubic root of 4012455 is about 158.9046934868.

Adding to 4012455 its reverse (5542104), we get a palindrome (9554559).

The spelling of 4012455 in words is "four million, twelve thousand, four hundred fifty-five".