12245457 has 16 divisors (see below), whose sum is σ = 19757952. Its totient is φ = 6585600.

The previous prime is 12245437. The next prime is 12245461. The reversal of 12245457 is 75454221.

It is not a de Polignac number, because 12245457 - 2¹⁰ = 12244433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12245437) 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, 16794 + ... + 17507.

It is an arithmetic number, because the mean of its divisors is an integer number (1234872).

Almost surely, 2^12245457 is an apocalyptic number.

12245457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12245457 is a deficient number, since it is larger than the sum of its proper divisors (7512495).

12245457 is a wasteful number, since it uses less digits than its factorization.

12245457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34328.

The product of its digits is 11200, while the sum is 30.

The square root of 12245457 is about 3499.3509398173. The cubic root of 12245457 is about 230.4933141923.

Adding to 12245457 its reverse (75454221), we get a palindrome (87699678).

The spelling of 12245457 in words is "twelve million, two hundred forty-five thousand, four hundred fifty-seven".