12073557 has 16 divisors (see below), whose sum is σ = 16668288. Its totient is φ = 7768320.

The previous prime is 12073549. The next prime is 12073571. The reversal of 12073557 is 75537021.

12073557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12073557 - 2³ = 12073549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12193 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (1041768).

Almost surely, 2^12073557 is an apocalyptic number.

It is an amenable number.

12073557 is a deficient number, since it is larger than the sum of its proper divisors (4594731).

12073557 is a wasteful number, since it uses less digits than its factorization.

12073557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 12073557 is about 3474.7024333027. The cubic root of 12073557 is about 229.4096834208.

The spelling of 12073557 in words is "twelve million, seventy-three thousand, five hundred fifty-seven".