12157673 has 16 divisors (see below), whose sum is σ = 13865472. Its totient is φ = 10560000.

The previous prime is 12157657. The next prime is 12157679. The reversal of 12157673 is 37675121.

12157673 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 12157673 - 2⁴ = 12157657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12157679) 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, 34265 + ... + 34617.

It is an arithmetic number, because the mean of its divisors is an integer number (866592).

Almost surely, 2^12157673 is an apocalyptic number.

It is an amenable number.

12157673 is a deficient number, since it is larger than the sum of its proper divisors (1707799).

12157673 is a wasteful number, since it uses less digits than its factorization.

12157673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 8820, while the sum is 32.

The square root of 12157673 is about 3486.7854823605. The cubic root of 12157673 is about 229.9412137094.

It can be divided in two parts, 1215 and 7673, that added together give a palindrome (8888).

The spelling of 12157673 in words is "twelve million, one hundred fifty-seven thousand, six hundred seventy-three".