12457135 has 8 divisors (see below), whose sum is σ = 14967936. Its totient is φ = 9952800.

The previous prime is 12457127. The next prime is 12457157. The reversal of 12457135 is 53175421.

It is a happy number.

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

It is not a de Polignac number, because 12457135 - 2³ = 12457127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (1870992).

Almost surely, 2^12457135 is an apocalyptic number.

12457135 is a deficient number, since it is larger than the sum of its proper divisors (2510801).

12457135 is a wasteful number, since it uses less digits than its factorization.

12457135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233.

The product of its digits is 4200, while the sum is 28.

The square root of 12457135 is about 3529.4666735925. The cubic root of 12457135 is about 231.8138555925.

The spelling of 12457135 in words is "twelve million, four hundred fifty-seven thousand, one hundred thirty-five".