12057455 has 8 divisors (see below), whose sum is σ = 14503104. Its totient is φ = 9623200.

The previous prime is 12057431. The next prime is 12057467. The reversal of 12057455 is 55475021.

12057455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12057455 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (1812888).

Almost surely, 2^12057455 is an apocalyptic number.

12057455 is a deficient number, since it is larger than the sum of its proper divisors (2445649).

12057455 is an equidigital number, since it uses as much as digits as its factorization.

12057455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 12057455 is about 3472.3846273131. The cubic root of 12057455 is about 229.3076533370.

It can be divided in two parts, 120 and 57455, that added together give a palindrome (57575).

The spelling of 12057455 in words is "twelve million, fifty-seven thousand, four hundred fifty-five".