12070157 has 8 divisors (see below), whose sum is σ = 13197600. Its totient is φ = 10947760.

The previous prime is 12070141. The next prime is 12070171. The reversal of 12070157 is 75107021.

It is a happy number.

12070157 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 cyclic number.

It is not a de Polignac number, because 12070157 - 2⁴ = 12070141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12070127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (1649700).

Almost surely, 2^12070157 is an apocalyptic number.

It is an amenable number.

12070157 is a deficient number, since it is larger than the sum of its proper divisors (1127443).

12070157 is a wasteful number, since it uses less digits than its factorization.

12070157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 12070157 is about 3474.2131483258. The cubic root of 12070157 is about 229.3881469299.

Adding to 12070157 its reverse (75107021), we get a palindrome (87177178).

The spelling of 12070157 in words is "twelve million, seventy thousand, one hundred fifty-seven".