12057417 has 36 divisors (see below), whose sum is σ = 19022640. Its totient is φ = 7629552.

The previous prime is 12057407. The next prime is 12057431. The reversal of 12057417 is 71475021.

It is not a de Polignac number, because 12057417 - 2⁴ = 12057401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (12057407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 204334 + ... + 204392.

Almost surely, 2^12057417 is an apocalyptic number.

It is an amenable number.

12057417 is a deficient number, since it is larger than the sum of its proper divisors (6965223).

12057417 is an frugal number, since it uses more digits than its factorization.

12057417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12057417 is about 3472.3791555647. The cubic root of 12057417 is about 229.3074124431.

The spelling of 12057417 in words is "twelve million, fifty-seven thousand, four hundred seventeen".