12455031 has 4 divisors (see below), whose sum is σ = 16606712. Its totient is φ = 8303352.

The previous prime is 12454997. The next prime is 12455039. The reversal of 12455031 is 13055421.

12455031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12455031 - 2¹¹ = 12452983 is a prime.

It is a super-2 number, since 2×12455031² = 310255594421922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12454989 and 12455007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075836 + ... + 2075841.

It is an arithmetic number, because the mean of its divisors is an integer number (4151678).

Almost surely, 2^12455031 is an apocalyptic number.

12455031 is a deficient number, since it is larger than the sum of its proper divisors (4151681).

12455031 is an equidigital number, since it uses as much as digits as its factorization.

12455031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151680.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12455031 is about 3529.1685989763. The cubic root of 12455031 is about 231.8008038002.

It can be divided in two parts, 124 and 55031, that added together give a palindrome (55155).

The spelling of 12455031 in words is "twelve million, four hundred fifty-five thousand, thirty-one".