12150457 has 6 divisors (see below), whose sum is σ = 13355594. Its totient is φ = 11045760.

The previous prime is 12150451. The next prime is 12150491. The reversal of 12150457 is 75405121.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 4648336 = 2739^2 + 2156^2 .

It is not a de Polignac number, because 12150457 - 2¹⁵ = 12117689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12150451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50088 + ... + 50329.

Almost surely, 2^12150457 is an apocalyptic number.

It is an amenable number.

12150457 is a deficient number, since it is larger than the sum of its proper divisors (1205137).

12150457 is a wasteful number, since it uses less digits than its factorization.

12150457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100439 (or 100428 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12150457 is about 3485.7505647995. The cubic root of 12150457 is about 229.8957120145.

Adding to 12150457 its reverse (75405121), we get a palindrome (87555578).

The spelling of 12150457 in words is "twelve million, one hundred fifty thousand, four hundred fifty-seven".